US3533903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite filaments having an improved crimpability
Assignee: Kanebo Ltd
•
Filing: 1966-10-10
•
Granted: 1970-10-13
•
Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Tetsuo Kinoshita
- 👤 Takashi Ito
- 👤 Akihisa Furutani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/04; D01F8/14; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2931; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3199281A
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US3361716A
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US3368998A
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US3341891A
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US3381074A
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US3370037A
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US3385831A
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US3345331A
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US3291778A
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US3343241A
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US3454460A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |