Patent US2056566A successfully refreshed from Google Patents.
US2056566A
Expired / Lapsed
US
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Method and apparatus for trimming slugs
Assignee: Individual
•
Filing: 1935-12-21
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Granted: 1936-10-06
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Expires: 1955-12-21
Abstract
No abstract record available.
Inventors
- 👤 Charles W Curle
- 👤 Theodore C Curle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:19
CPC Classifications
B; B41; B41B; B41B11/00; B41B11/52; B41B11/72; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T83/00; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491
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) | 1939-10-06 | 1940-04-06 | 1940-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-10-06 | 1944-04-06 | 1944-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-10-06 | 1948-04-06 | 1948-10-06 | $7700.00 | Window Closed / Lapsed |