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US2529026A
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Apparatus for profiling operations
Assignee: Power Jets Research and Development Ltd
•
Filing: 1945-08-21
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Granted: 1950-11-07
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Expires: 1965-08-21
Abstract
No abstract record available.
Inventors
- 👤 Kestell Thomas Aubrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:29
CPC Classifications
B; B24; B24B; B24B17/00; B24B17/02; B24B17/025; Y; Y10; Y10T; Y10T408/00; Y10T408/26; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303136; Y10T82/00; Y10T82/13; Y10T82/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1515568A
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US1633051A
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DE520277C
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US2091469A
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US2136491A
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US2237583A
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US2195065A
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US2350234A
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US2373827A
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US2352608A
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US2379287A
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US2364322A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |