US2792887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cutting staple fiber
Assignee: Akzona Inc
•
Filing: 1953-06-18
•
Granted: 1957-05-21
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Middelhof Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:39
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S83/00; Y10S83/913; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4812; Y10T83/485; Y10T83/494; Y10T83/501; Y10T83/869; Y10T83/8789; Y10T83/8794; Y10T83/8795; Y10T83/8796
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US223103A
Cited
US554708A
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US1195569A
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US745965A
Cited
US1449021A
Cited
US1407151A
Cited
US1695688A
Cited
US2184452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |