Patent US2997262A successfully refreshed from Google Patents.
US2997262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft wing structure
Assignee: General Dynamics Corp
•
Filing: 1960-01-21
•
Granted: 1961-08-22
•
Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Donald R Kirk
- 👤 Dowell V Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:03
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; B64C3/00; B64C3/26; B64C2001/0054; B64C2001/0072; B64C2001/0081; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1311205A
Cited
US854391A
Cited
US1604151A
Cited
US1835524A
Cited
US2101090A
Cited
US2801061A
Cited
US2749061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |