US3059515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching apparatus for machining grooves
Assignee: SANCOR Corp
•
Filing: 1959-10-28
•
Granted: 1962-10-23
•
Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Edward C Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:24
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D37/04; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T409/501804; Y10T409/502624; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/384; Y10T83/395; Y10T83/398; Y10T83/869; Y10T83/8769; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/8834
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE82228C
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US591871A
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USRE20439E
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US1327881A
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US1482110A
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US2525098A
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US2896310A
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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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |