Patent US3544357A successfully refreshed from Google Patents.
US3544357A
Expired / Lapsed
US
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Method of manufacturing soft and flexible sheet materials
Assignee: Kuraray Co Ltd
•
Filing: 1967-05-15
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Granted: 1970-12-01
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Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 Kazuo Noda
- 👤 Yuya Enomoto
- 👤 Osamu Fukushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:21
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; D06N; D06N3/00; D06N3/0002; D06N3/0004; D06N3/0056; D06N3/0061; D06N3/12; D06N3/14; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S428/00; Y10S428/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3000757A
Cited
US3190765A
Cited
US3190766A
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US3406038A
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US3214290A
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US3400187A
Cited
US3418198A
Cited
US3369925A
Cited
US3264134A
Cited
US3348963A
Cited
US3403046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |