US3377671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for yarn treatment
Assignee: Kurashiki Rayon Co Ltd
•
Filing: 1965-08-23
•
Granted: 1968-04-16
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Yamamoto Makoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:51
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2638146A
Cited
US2982000A
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US3156028A
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US3069832A
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US3095343A
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US3110151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |