Patent US2154547A successfully refreshed from Google Patents.
US3524906A
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Transparent and weatherable polymer blends of acrylate polymers and polyvinylidene fluoride
Assignee: Wyeth Holdings LLC
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Filing: 1967-10-10
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Granted: 1970-08-18
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Expires: 1987-10-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph Michael Schmitt
- 👤 Charles Hartley Miller Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:55
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/08; C08L27/00; C08L27/02; C08L27/12; C08L27/16; C08L33/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/31504; Y10T428/3154; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906
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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |