US2696397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turnbuckle
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1950-07-20
•
Granted: 1954-12-07
•
Expires: 1970-07-20
Abstract
No abstract record available.
Inventors
- 👤 Ames H Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:23
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/20; B; B21; B21D; B21D53/00; F; F16; F16B; F16B7/00; F16B7/06; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US339534A
Cited
US390992A
Cited
US935660A
Cited
US1326008A
Cited
US935659A
Cited
US1148041A
Cited
US2526470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |