Patent US1963369A successfully refreshed from Google Patents.
US1963369A
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Cutting mechanism
Assignee: Hoague Sprague Corp
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Filing: 1932-03-29
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Granted: 1934-06-19
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Expires: 1952-03-29
Abstract
No abstract record available.
Inventors
- 👤 Cutler D Knowlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:04
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/36; B65; B65H; B65H2301/00; B65H2301/40; B65H2301/46; B65H2301/463; B65H2301/4633; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/21; Y10T83/2118; Y10T83/212; Y10T83/22; Y10T83/2209; Y10T83/768; Y10T83/7809; Y10T83/783
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) | 1937-06-18 | 1937-12-18 | 1938-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-18 | 1941-12-18 | 1942-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-18 | 1945-12-18 | 1946-06-19 | $7700.00 | Window Closed / Lapsed |