US2902875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for reciprocating elements of machine tools and the like
Assignee: Detroit Broach and Machine Co
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Filing: 1957-01-07
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Granted: 1959-09-08
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Expires: 1977-01-07
Abstract
No abstract record available.
Inventors
- 👤 John M Finally
- 👤 Ernest H H Graf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:17
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/54; B23Q5/56; B23D; B23D39/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/304592; Y10T74/00; Y10T74/19; Y10T74/19014; Y10T74/19623
Claims Analysis
Total Claims: 0
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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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |