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Patent US3099174A successfully refreshed from Google Patents.
US3099174A
Expired / Lapsed
US
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Countersinking tool
Assignee: Cogsdill Tool Products Inc
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Filing: 1960-06-29
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Granted: 1963-07-30
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Expires: 1980-06-29
Abstract
No abstract record available.
Inventors
- 👤 Stnart A Cogsdill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:40
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B2251/00; B23B2251/50; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/556; Y10T408/557; Y10T408/558; Y10T408/5583; Y10T408/5586
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN A BLADE FOR A CUTTING TOOL, A THIN FLAT SHEET METAL BODY OF RECTANGULAR SHAPE, AND A CUTTING EDGE ON ONE END OF THE BLADE FORMED BY A RELIEVED SLOPING SIDE FORMING A SHORT AND A LONG SIDE TO TH BLADE BODY, SAID BLADE HAVING A FINGER RECEIVING NOTCH IN THE BODY INWARDLY OF THE EDGE OF THE SHORT SIDE ABOVE SAID CUTTING EDGE.
Claim 2
Dependent Claim
65 words
IN A BLADE FOR A CUTTING TOOL, A THIN FLAT SHEET METAL BODY OF RECTANGULAR SHAPE, AND A CUTTING EDGE ON ONE END OF THE BLADE FORMED BY A RELIEVED SLOPING SIDE FORMING A SHORT AND A LONG SIDE TO TH BLADE BODY, SAID BLADE HAVING A FINGER RECEIVING NOTCH IN THE BODY INWARDLY OF THE EDGE OF THE SHORT SIDE ABOVE SAID CUTTING EDGE.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |