Patent US2881497A successfully refreshed from Google Patents.
US2881497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for anchoring flexible lines
Assignee: KENTUCKY RES FOUNDATION
•
Filing: 1956-08-21
•
Granted: 1959-04-14
•
Expires: 1976-08-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Clore
- 👤 Willis M Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:10
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/10; Y; Y10; Y10T; Y10T24/00; Y10T24/40; Y10T24/4002; Y10T24/4012; Y10T24/4019; Y10T403/00; Y10T403/40; Y10T403/54; Y10T403/57; Y10T403/5753
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US429212A
Cited
US1313644A
Cited
US1315969A
Cited
US793751A
Cited
US788488A
Cited
US1269508A
Cited
US2572516A
Cited
US2477877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |