Patent US3256966A successfully refreshed from Google Patents.
US3256966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratcheting tool drive
Assignee: Crescent Niagara Corp
•
Filing: 1963-11-15
•
Granted: 1966-06-21
•
Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Angquist Torsten Fredric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:50
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/12; F16D41/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
IN A RATCHET TOOL, A HOLLOW BODY, THE INTERIOR THEREOF BEING PROVIDED WITH LONGITUDINALLY EXTENDING ANNULARLY ARRANGED TEETH, TOOL DRIVING MEANS ROTATABLY SUPPORTED BY SAID BODY AND A PAWL SUPPORTED ON SAID TOOL DRIVING MEANS, SAID PAWL HAVING A MID PORTION TERMINATING AT EACH END WITH A PORTION EXTENDING AT RIGHT ANGLES TO THE MID PORTION, BOTH END PORTIONS BEING PARALLEL WITH EACH OTHER.
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |