US3462813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing volumized yarn
Assignee: Eastman Kodak Co
•
Filing: 1955-11-04
•
Granted: 1969-08-26
•
Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 Richard F Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:45
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G3/00; D02G3/22; D02G3/34; D02G3/36
Claims Analysis
Total Claims: 0
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US2874445A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |