US2976984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic conveyor for gear finishing machines
Assignee: Michigan Tool Co
•
Filing: 1955-07-28
•
Granted: 1961-03-28
•
Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Alexander D F Moncrieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:32
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/03; B23F; B23F23/00; B23F23/02; B23F23/04; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100795
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1644515A
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US1753560A
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US1934835A
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US1906036A
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US1864114A
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US2350412A
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US2368525A
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US2443293A
Cited
US2389083A
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US2536413A
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US2830712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |