US3439084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thick and thin yarn and process for the preparation thereof
Assignee: Toray Industries Inc
•
Filing: 1966-08-04
•
Granted: 1969-04-15
•
Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Terumichi Ono
- 👤 Shigeru Mizutani
- 👤 Hazime Arai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:59
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; D02; D02J; D02J1/00; D02J1/22; D02J1/228; Y; Y10; Y10S; Y10S264/00; Y10S264/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3236914A
Cited
US2991508A
Cited
US3127915A
Cited
US3255287A
Cited
GB928825A
Cited
US3303169A
Cited
GB1003996A
Cited
NL6500459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |