US2665862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tip tank wedge support
Assignee: Northrop Grumman Corp
•
Filing: 1948-08-03
•
Granted: 1954-01-12
•
Expires: 1968-08-03
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Grill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:54
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; B64D37/12; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416104A
Cited
US2421699A
Cited
US2549785A
Cited
GB609456A
Cited
US2505604A
Cited
US2466980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |