US3513110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open-celled low density filamentary material
Assignee: Celanese Corp
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Filing: 1965-10-01
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Granted: 1970-05-19
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Herman D Noether
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:56
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/229; D01; D01D; D01D10/00; D01D5/00; D01D5/24; D01D5/247; Y; Y10; Y10S; Y10S264/00; Y10S264/08; Y10S264/13; Y10S521/00; Y10S521/918
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) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |