US2481002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving the carding effect of carding cylinders
Assignee: C A CONSTANT CARD
•
Filing: 1945-04-18
•
Granted: 1949-09-06
•
Expires: 1965-04-18
Abstract
No abstract record available.
Inventors
- 👤 Castell Agustin Masallera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:25
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/76; D01G15/80; D01G15/805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1079392A
Cited
US1441850A
Cited
US1614103A
Cited
US1635834A
Cited
GB288057A
Cited
US2327349A
Cited
US2433810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |