US2977746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing thermoplastic yarns
Assignee: Deering Milliken Research Corp
•
Filing: 1958-06-09
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Granted: 1961-04-04
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Norman E Klein
- 👤 Cyril G Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:40
CPC Classifications
D; D02; D02J; D02J13/00; D02J13/005; D02G; D02G1/00; D02G1/02; D02G1/10; D02G1/20; D02G1/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2864229A
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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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |