Patent US3302932A successfully refreshed from Google Patents.
US3302932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in pulleys for ropes and hawsers
Assignee: Individual
•
Filing: 1965-03-08
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Granted: 1967-02-07
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Wallin Carl Olov Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:58
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/50; B; B66; B66D; B66D3/00; B66D3/04; B66D2700/00; B66D2700/02; B66D2700/026; B66D2700/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PULLEY FOR ROPES, SAID PULLEY HAVING GROOVES FORMED ON EACH FLANK SURFACE FORMING A V-SHAPED TRACK WHICH CONVERGES TOWARDS THE CENTER OF SAID PULLEY, THE GROOVES OF THE FLANKING SURFACE BEING DISPLACED FROM THE GROOVES OF THE OTHER FLANKING SURFACE BY APPROXIMATELY ONE-HALF A PITCH, SO THAT SAID SURFACES CONFORM TO THE CONTOURS OF VARYING SIZE ROPES.
Claim 2
Dependent Claim
58 words
A PULLEY FOR ROPES, SAID PULLEY HAVING GROOVES FORMED ON EACH FLANK SURFACE FORMING A V-SHAPED TRACK WHICH CONVERGES TOWARDS THE CENTER OF SAID PULLEY, THE GROOVES OF THE FLANKING SURFACE BEING DISPLACED FROM THE GROOVES OF THE OTHER FLANKING SURFACE BY APPROXIMATELY ONE-HALF A PITCH, SO THAT SAID SURFACES CONFORM TO THE CONTOURS OF VARYING SIZE ROPES.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |