US2629282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for use in the production of plate gauges or other platelike elements having a predetermined edge contour
Assignee: Napier Turbochargers Ltd
•
Filing: 1950-09-01
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Granted: 1953-02-24
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Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Legg George Charles James
- 👤 Crook William Charles Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:28
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/0004; G02B21/0016; Y; Y10; Y10T; Y10T29/00; Y10T29/44; Y10T29/49; Y10T29/49764; Y10T29/49769
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1770659A
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US2064368A
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US2372470A
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US2355910A
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US2439055A
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US2518252A
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US2504503A
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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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |