US3490219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Super high speed spinning method and apparatus for manufacturing jet bundle yarn
Assignee: Mitsubishi Chemical Corp
•
Filing: 1967-08-14
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Granted: 1970-01-20
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Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Goro Ozawa
- 👤 Kenzo Kosaka
- 👤 Tadashi Kataoka
- 👤 Toshio Horikawa
- 👤 Kiyoshi Adachi
- 👤 Hideo Tanaka
- 👤 Hiroshi Kitagawa
- 👤 Akira Aoki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:56
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/11; D01H1/115; D02; D02G; D02G3/00; D02G3/22; D02G3/38; D02G3/40; G; G01; G01N; G01N33/00; G01N33/36; G01N33/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA612002A
Cited
US2302790A
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US2217826A
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US2852906A
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US3007298A
Cited
US3000168A
Cited
US3186155A
Cited
US3093879A
Cited
US3079746A
Cited
US3255579A
Cited
US3365872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |