US3194284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension adjusting means for chain saws
Assignee: Individual
•
Filing: 1963-06-05
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Granted: 1965-07-13
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Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Charles M Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:07
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/14; F; F16; F16H; F16H7/00; F16H7/08; F16H2007/0889; F16H2007/0891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN A CHAIN SAW INCLUDING AN ENDLESS TOOTHED CHAIN, A FRAME, A DRIVE SPROCKET ROTATABLY MOUNTED ON SAID FRAME AND SUPPORTING SAID CHAIN, A PAIR OF SPACED THREADED STUDS FIXED TO SAID FRAME, A BLADE HAVING AN ELONGTED SLOT AND RECEIVED ON SAID STUS WITH THE STUDS PROJECTING THROUGH SAID SLOT AND A GUARD COVER RECEIVED ON SAID STUDS, AND NUTS RETAINING SAID COVER ON SAID STUDS, THE IMPROVEMENT WHICH COMPRISES A SPACER HAVING A THICKNESS GREATER THAN
Claim 2
Dependent Claim
78 words
IN A CHAIN SAW INCLUDING AN ENDLESS TOOTHED CHAIN, A FRAME, A DRIVE SPROCKET ROTATABLY MOUNTED ON SAID FRAME AND SUPPORTING SAID CHAIN, A PAIR OF SPACED THREADED STUDS FIXED TO SAID FRAME, A BLADE HAVING AN ELONGTED SLOT AND RECEIVED ON SAID STUS WITH THE STUDS PROJECTING THROUGH SAID SLOT AND A GUARD COVER RECEIVED ON SAID STUDS, AND NUTS RETAINING SAID COVER ON SAID STUDS, THE IMPROVEMENT WHICH COMPRISES A SPACER HAVING A THICKNESS GREATER THAN
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |