Patent US2992023A successfully refreshed from Google Patents.
US2992023A
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US
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Expansion and misalignement compensating device
Assignee: North American Aviation Corp
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Filing: 1957-10-18
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Granted: 1961-07-11
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Expires: 1977-10-18
Abstract
No abstract record available.
Inventors
- 👤 Roy C Yantis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:37
CPC Classifications
F; F16; F16L; F16L5/00; F16L5/02; F16L5/10; Y; Y10; Y10T; Y10T403/00; Y10T403/33; Y10T403/335
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1350075A
Cited
US1767280A
Cited
GB292067A
Cited
US1709949A
Cited
US2761694A
Cited
US2826919A
Cited
US2864258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |