Patent US2962280A successfully refreshed from Google Patents.
US2962280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibrated orifice for high pressure struts
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1958-02-12
•
Granted: 1960-11-29
•
Expires: 1978-02-12
Abstract
No abstract record available.
Inventors
- 👤 John P Heiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:19
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/3285; F16F9/34; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US732871A
Cited
US1742690A
Cited
US1861821A
Cited
US2393423A
Cited
US2622872A
Cited
US2644699A
Cited
US2639194A
Cited
US2868226A
Cited
US2802664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |