Patent US1887745A successfully refreshed from Google Patents.
US1887745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for opening or breaking up cop-bottoms, cotton or other waste, or like fibrous materials
Assignee: Platt Brothers and Co Ltd
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Filing: 1931-10-14
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Granted: 1932-11-15
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Expires: 1951-10-14
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:40
CPC Classifications
D; D01; D01G; D01G9/00; D01G9/06
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) | 1935-11-15 | 1936-05-16 | 1936-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-15 | 1940-05-16 | 1940-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-15 | 1944-05-16 | 1944-11-15 | $7700.00 | Window Closed / Lapsed |