US3501907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spun yarn and its doubled yarn
Assignee: Toray Industries Inc
•
Filing: 1967-12-15
•
Granted: 1970-03-24
•
Expires: 1987-12-15
Abstract
No abstract record available.
Inventors
- 👤 Masaaki Tabata
- 👤 Kozo Susami
- 👤 Hiroshi Edagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:23
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/38; D01; D01H; D01H1/00; D01H4/00; D01H4/04; D01H4/08; D02G3/26; D02G3/28
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) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |