US2984455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-cable tensioning device
Assignee: California Research LLC
•
Filing: 1957-08-06
•
Granted: 1961-05-16
•
Expires: 1977-08-06
Abstract
No abstract record available.
Inventors
- 👤 Fischer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:30
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/12; E21B7/128
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US729868A
Cited
US1010723A
Cited
US1248186A
Cited
US2074695A
Cited
US2402789A
Cited
US2501956A
Cited
US2723833A
Cited
US2863636A
Cited
US2808229A
Cited
US2874790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |