Patent US3522341A successfully refreshed from Google Patents.
US3522341A
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US
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Preparation of high tenacity polyvinyl fluoride structures
Assignee: OCCIDENTIAL ELECTROCHEMICALS Corp
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Filing: 1964-05-04
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Granted: 1970-07-28
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Myron J Coplan
- 👤 Howard I Freeman
- 👤 Joseph S Panto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:02
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/44; D01F6/48; B; B29; B29C; B29C48/00; B29C48/022; B29C48/03; B29C48/05; B29C48/07; B29C48/08; B29K; B29K2027/00; B29K2027/12; B29K2027/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2419010A
Cited
US2810702A
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US2824780A
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US2953818A
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US3236825A
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US3139470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |