Patent US2954188A successfully refreshed from Google Patents.
US2954188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Landing gear for aircraft
Assignee: Lockheed Martin Corp
•
Filing: 1954-07-07
•
Granted: 1960-09-27
•
Expires: 1974-07-07
Abstract
No abstract record available.
Inventors
- 👤 William M O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:18
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1442155A
Cited
FR556531A
Cited
FR559429A
Cited
US1626483A
Cited
GB412593A
Cited
GB438165A
Cited
DE715712C
Cited
FR829039A
Cited
US2227762A
Cited
GB529087A
Cited
US2278910A
Cited
US2587624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |