Patent US3514419A successfully refreshed from Google Patents.
US3101104A
Expired / Lapsed
US
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Safety device for saws
Assignee: Weyerhaeuser Co
•
Filing: 1961-03-29
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Granted: 1963-08-20
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Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 Sullivan Robert Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:36
CPC Classifications
B; B27; B27G; B27G19/00; B27G19/02; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/732; Y10T83/741; Y10T83/743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN ANTI-KICKBACK DEVICE FOR TABLE SAWS COMPRISING UPRIGHT STANDARDS, A SHAFT ROTATABLY MOUNTED ON SAID STANDARDS, A FIRST ARM FIXEDLY MOUNTED ON SAID SHAFT, THE END OF SAID ARM OPPOSITE SAID SHAFT HAVING MEANS FOR ENGAGING A PIECE OF MATERIAL, A SECOND ARM ROTATABLY MOUNTED TO THE UPPER SURFACE OF SAID FIRST ARM AND EX-
Claim 2
Dependent Claim
55 words
AN ANTI-KICKBACK DEVICE FOR TABLE SAWS COMPRISING UPRIGHT STANDARDS, A SHAFT ROTATABLY MOUNTED ON SAID STANDARDS, A FIRST ARM FIXEDLY MOUNTED ON SAID SHAFT, THE END OF SAID ARM OPPOSITE SAID SHAFT HAVING MEANS FOR ENGAGING A PIECE OF MATERIAL, A SECOND ARM ROTATABLY MOUNTED TO THE UPPER SURFACE OF SAID FIRST ARM AND EX-
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |