US3523059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needled fibrous batting and method of making the same
Assignee: Celanese Corp
•
Filing: 1967-08-23
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Granted: 1970-08-04
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Expires: 1987-08-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:47
CPC Classifications
D; D04; D04H; D04H3/00; D02; D02G; D02G3/00; D02G3/02; D02G3/06; D04H3/02; D04H3/08; D04H3/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/3179; Y10T442/00; Y10T442/60; Y10T442/608; Y10T442/627; Y10T442/659; Y10T442/666; Y10T442/667; Y10T442/682; Y10T442/684; Y10T442/686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |