US3482010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of polyurethane elastic fiber having less adhesivity
Assignee: Kuraray Co Ltd
•
Filing: 1964-09-22
•
Granted: 1969-12-02
•
Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Takeshi Yasui
- 👤 Kanji Matsubayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:32
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/425; D01; D01F; D01F6/00; D01F6/58; D01F6/70; D06M13/345
Claims Analysis
Total Claims: 0
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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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |