Patent US2019893A successfully refreshed from Google Patents.
US3545018A
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Method and apparatus for cutting multiple threads in large workpieces
Assignee: GLENN H PETERSON
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Filing: 1967-12-14
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Granted: 1970-12-08
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Expires: 1987-12-14
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:00
CPC Classifications
B; B23; B23G; B23G7/00; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/66; Y10T409/00; Y10T409/30; Y10T409/300056; Y10T409/300112; Y10T82/00; Y10T82/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US67878A
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US707357A
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US1096257A
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US2585113A
Cited
GB686653A
Cited
DE1141513B
Cited
US3097006A
Cited
US3256542A
Cited
US3334495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |