US3052989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatment of filaments, fibres, threads, films and sheet material
Assignee: Cotton Silk and Man Made Fibres Research Association
•
Filing: 1959-05-05
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Granted: 1962-09-11
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Expires: 1979-05-05
Abstract
No abstract record available.
Inventors
- 👤 Doleman Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:47
CPC Classifications
D; D06; D06B; D06B19/00; D06B19/0005; D06B19/0076; D06B19/0082; Y; Y10; Y10S; Y10S264/00; Y10S264/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2873597A
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US2971242A
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US2964852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |