Patent US3111970A successfully refreshed from Google Patents.
US3111970A
Expired / Lapsed
US
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Tapered sabre saw blade
Assignee: Individual
•
Filing: 1961-05-26
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Granted: 1963-11-26
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Priest Emmy Lou
- 👤 Jr John F Ewig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:52
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/12; B23D61/128; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319; Y10T83/9367
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A SAW BLADE FORMED FROM A BLANK HAVING A THICKENED EDGE PORTION, EDGE CUTTING TEETH FORMED IN SAID THICKENED EDGE PORTION EXTENDING TRANSVERSELY THEREOF, EACH TOOTH HAVING A STRAIGHT TOP CUTTING EDGE EXTENDING THE FULL WIDTH OF SAID THICKENED EDGE, AND TAPERING SLIGHTLY DOWNWARDLY ON ITS SIDES TO A POINT MORE THAN HALF WAY BETWEEN THE STRAIGHT TOP CUTTING EDGE AND THE GULLET OF THE TOOTH, AND THEN TAPERING IN SUBSTANTIALLY GREATER DEGREE IN A CONCAVE TAPER FROM THE END OF THE FIRST TAPER TO A POINT BELOW THE GULLET OF THE TOOTH.
Claim 2
Dependent Claim
93 words
A SAW BLADE FORMED FROM A BLANK HAVING A THICKENED EDGE PORTION, EDGE CUTTING TEETH FORMED IN SAID THICKENED EDGE PORTION EXTENDING TRANSVERSELY THEREOF, EACH TOOTH HAVING A STRAIGHT TOP CUTTING EDGE EXTENDING THE FULL WIDTH OF SAID THICKENED EDGE, AND TAPERING SLIGHTLY DOWNWARDLY ON ITS SIDES TO A POINT MORE THAN HALF WAY BETWEEN THE STRAIGHT TOP CUTTING EDGE AND THE GULLET OF THE TOOTH, AND THEN TAPERING IN SUBSTANTIALLY GREATER DEGREE IN A CONCAVE TAPER FROM THE END OF THE FIRST TAPER TO A POINT BELOW THE GULLET OF THE TOOTH.
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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |