Patent US2286686A successfully refreshed from Google Patents.
US2286686A
Expired / Lapsed
US
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Apparatus for rejecting defective metallic sheets
Assignee: Individual
•
Filing: 1939-11-27
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Granted: 1942-06-16
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Expires: 1959-11-27
Abstract
No abstract record available.
Inventors
- 👤 Earll R Muddiman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:41
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/02; G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T83/00; Y10T83/202; Y10T83/2022; Y10T83/2024; Y10T83/647; Y10T83/6476; Y10T83/6484
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) | 1945-06-15 | 1945-12-15 | 1946-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-15 | 1949-12-15 | 1950-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-15 | 1953-12-15 | 1954-06-16 | $7700.00 | Window Closed / Lapsed |