Patent US2451941A successfully refreshed from Google Patents.
US2451941A
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Assignee: Republic Aviation Corp
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Filing: 1943-11-29
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Granted: 1948-10-19
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Expires: 1963-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Glover
- 👤 John C Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:21
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/06; F16L17/067; F16L17/073; F16L27/00; F16L27/10; F16L27/1012; Y; Y10; Y10S; Y10S285/00; Y10S285/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |