US2956795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring
Assignee: Individual
•
Filing: 1958-11-21
•
Granted: 1960-10-18
•
Expires: 1978-11-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/02; F16F15/04; F16F15/06; F16F1/00; F16F1/02; F16F1/04; F16F1/10; G; G01; G01B; G01B3/00; G01B3/10; G01B3/1003; G04; G04B; G04B1/00; G04B1/10; G04B1/14; G01B3/1005; G01B2003/1023; G01B2003/103; G01B2003/1058
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |