Patent US2962812A successfully refreshed from Google Patents.
US2962812A
Expired / Lapsed
US
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Method of making chain saw bnars
Assignee: Borg Warner Corp
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Filing: 1957-08-02
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Granted: 1960-12-06
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Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
- 👤 Dewey E Gommel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:24
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/02; B27B17/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T83/00; Y10T83/647; Y10T83/6572; Y10T83/6576; Y10T83/707; Y10T83/7264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US830860A
Cited
US1999599A
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DE728639C
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US2315357A
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US2761189A
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US2660204A
Cited
US2838833A
Cited
US2703928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |