Patent US3483283A successfully refreshed from Google Patents.
US3483283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for production of sheet materials
Assignee: Kuraray Co Ltd
•
Filing: 1966-07-14
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Granted: 1969-12-09
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Expires: 1986-07-14
Abstract
No abstract record available.
Inventors
- 👤 Osamu Fukushima
- 👤 Kazuo Nagoshi
- 👤 Kazuo Noda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:37
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0043; D06N3/0052; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D06M; D06M15/00; D06M15/693
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |