Patent US1980440A successfully refreshed from Google Patents.
US1980440A
Expired / Lapsed
US
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Feed for automatic machine tools
Assignee: CLEVELAND AUTOMATIC MACHINE Co
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Filing: 1932-02-09
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Granted: 1934-11-13
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Expires: 1952-02-09
Abstract
No abstract record available.
Inventors
- 👤 Harry W Rupple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:18
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/10; B23Q7/106; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5134; Y10T82/00; Y10T82/25; Y10T82/2514
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-11-12 | 1938-05-14 | 1938-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-12 | 1942-05-14 | 1942-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-12 | 1946-05-14 | 1946-11-13 | $7700.00 | Window Closed / Lapsed |