Record revealed
The first American invention to obtain an English patent
These intricate 1716 drawings were submitted by Sybilla Masters in the final stage of securing a patent for machinery for 'cleaning and curing Indian corn'.
Piece
Cleveland Graphite Bronze Co: application for extension of patent No 409289
Catalogue reference: AVIA 53/334
What’s it about?
This record is about the Cleveland Graphite Bronze Co: application for extension of patent No 409289 dating from 1950-1953 in the series Ministry of Supply and predecessor and successors: Contracts, Registered Files (Series.... It is held at The National Archives, Kew.
Is it available online?
No, this record is not available online. However, you can order a copy. Other ways to view it.
Can I see it in person?
Yes, this record is held at The National Archives and is available to see in person. How to view it.
Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
- AVIA 53/334
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Date (When the record was created)
- 1950-1953
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Description (What the record is about)
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Cleveland Graphite Bronze Co: application for extension of patent No 409289
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Held by (Who holds the record)
- The National Archives, Kew
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Former department reference (Former identifier given by the originating creator)
- 6/Invents/4478
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Legal status (A note as to whether the record being described is a Public Record or not)
- Public Record(s)
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
- Open Document, Open Description
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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- Topics
- Food and drink
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C488750/
How to order it
- View this record page in our current catalogue
- Check viewing and downloading options
- Select an option and follow instructions
Series information
AVIA 53
Ministry of Supply and predecessor and successors: Contracts, Registered Files (Series...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
96,520 records
Within the department: AVIA
Records created or inherited by the Ministry of Aviation and successors, the Air...
647 records
Within the series: AVIA 53
Ministry of Supply and predecessor and successors: Contracts, Registered Files (Series...
You are currently looking at the piece: AVIA 53/334
Cleveland Graphite Bronze Co: application for extension of patent No 409289
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