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US3483015A
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Method for production of poromeric fibrous sheet materials
Assignee: Kuraray Co Ltd
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Filing: 1966-01-27
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Granted: 1969-12-09
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Expires: 1986-01-27
Abstract
No abstract record available.
Inventors
- 👤 Osamu Fukushima
- 👤 Kazuo Noda
- 👤 Tamon Kishida
- 👤 Toshiharu Ochi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:20
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/12; D06N3/14; C; C08; C08J; C08J9/00; C08J9/28; C08J2201/00; C08J2201/04; C08J2201/048; C08J2201/0484; C08J2201/054; C08J2201/0542; C08J2201/0544; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S428/00; Y10S428/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3348963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |