Patent US831766A successfully refreshed from Google Patents.
US1982964A
Expired / Lapsed
US
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Hopper magazine feed device
Assignee: CLEVELAND AUTOMATIC MACHINE Co
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Filing: 1931-11-21
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Granted: 1934-12-04
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Expires: 1951-11-21
Abstract
No abstract record available.
Inventors
- 👤 Harry W Rupple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:32
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/08; B23Q7/10; B23Q7/106; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2516
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) | 1937-12-03 | 1938-06-04 | 1938-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-03 | 1942-06-04 | 1942-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-03 | 1946-06-04 | 1946-12-04 | $7700.00 | Window Closed / Lapsed |