US2697570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-attaching device
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1951-05-01
•
Granted: 1954-12-21
•
Expires: 1971-05-01
Abstract
No abstract record available.
Inventors
- 👤 Snyder Jacob Rush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:57
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; F16B7/00; F16B7/02; F16B7/025; F16L; F16L23/00; F16L23/04; F16L23/08; Y; Y10; Y10S; Y10S285/00; Y10S285/913; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1441
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1277398A
Cited
US1457155A
Cited
US1882616A
Cited
US2345269A
Cited
US2341828A
Cited
US2409128A
Cited
FR931202A
Cited
US2439161A
Cited
US2523928A
Cited
US2553220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |