US3403422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spinning multicomponent fibers
Assignee: Japan Exlan Co Ltd
•
Filing: 1965-06-28
•
Granted: 1968-10-01
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Nakagawa Kazumi
- 👤 Tsutsui Nobuhiro
- 👤 Zoda Keiichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:32
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; D01D5/22; D01F; D01F8/00; D01F8/04; D01F8/08; Y; Y10; Y10S; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2815532A
Cited
US2936482A
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GB823603A
Cited
US3188689A
Cited
US3182106A
Cited
BE621433A
Cited
US3295552A
Cited
US3341891A
Cited
US3308503A
Cited
US3318987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |