Patent US1970490A successfully refreshed from Google Patents.
US1970490A
Expired / Lapsed
US
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Feed mechanism for rag cutters
Assignee: Ruberoid Co
•
Filing: 1930-08-22
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Granted: 1934-08-14
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Expires: 1950-08-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Cooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:20
CPC Classifications
D; D01; D01G; D01G11/00; D01G11/04; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/66
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) | 1937-08-13 | 1938-02-12 | 1938-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-13 | 1942-02-12 | 1942-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-13 | 1946-02-12 | 1946-08-14 | $7700.00 | Window Closed / Lapsed |