US3440688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing continuously combed sliver from carded sliver
Assignee: Toyobo Co Ltd
•
Filing: 1966-02-24
•
Granted: 1969-04-29
•
Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Naonari Yamamoto
- 👤 Mitsuo Masuda
- 👤 Toshihiko Saikawa
- 👤 Akira Tsubota
- 👤 Yasuo Shida
- 👤 Toshiji Matsumura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:40
CPC Classifications
D; D01; D01G; D01G27/00; D01G27/04; D01G21/00; F; F15; F15B; F15B11/00; F15B11/16; F15B11/17; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB369336A
Cited
US2037348A
Cited
US2115605A
Cited
FR858326A
Cited
FR890150A
Cited
US2713701A
Cited
US2832098A
Cited
GB886396A
Cited
US3063101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |