US3470060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bi-component polyacrylonitrile filaments and process for producing the same
Assignee: Bayer AG
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Filing: 1967-01-26
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Granted: 1969-09-30
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Expires: 1987-01-26
Abstract
No abstract record available.
Inventors
- 👤 Jeno Szitz
- 👤 Alfred Nogaj
- 👤 Herbert Marzolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:27
CPC Classifications
D; D06; D06P; D06P7/00; D06P7/005; C; C08; C08L; C08L33/00; C08L33/18; C08L33/20; D01; D01D; D01D5/00; D01D5/22; D01F; D01F8/00; D01F8/04; D01F8/08; Y; Y10; Y10S; Y10S526/00; Y10S526/923; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2933; Y10T428/2964; Y10T428/2967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |