US2903835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton stripping machine
Assignee: Individual
•
Filing: 1957-04-18
•
Granted: 1959-09-15
•
Expires: 1977-04-18
Abstract
No abstract record available.
Inventors
- 👤 Kappelmann Benjamin Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:05
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938264A
Cited
US1722747A
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US2406058A
Cited
US2503416A
Cited
US2677226A
Cited
US2673438A
Cited
US2691861A
Cited
US2825197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |