US3050755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming threads by applying sliding pressure
Assignee: Besly Cutting Tools Inc
•
Filing: 1958-07-23
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Granted: 1962-08-28
•
Expires: 1978-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald P Welles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:58
CPC Classifications
B; B23; B23G; B23G7/00; B23G7/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49382; Y10T29/49384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1404371A
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US1676482A
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US2167550A
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US2319544A
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US2703419A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |