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Patent US3417041A successfully refreshed from Google Patents.
US3417041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polish compositions containing a copolymer of vinyl toluene and isobutyl methacrylate
Assignee: POLYVINYL CHEMICALS Inc
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Filing: 1964-08-28
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Granted: 1968-12-17
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Expires: 1984-08-28
Abstract
No abstract record available.
Inventors
- 👤 George L Brown
- 👤 Silverstein Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:04
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/08; C09G1/10; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D125/16; C09D133/00; C09D133/04; C09D133/06; C09D133/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2232595A
Cited
US2536349A
Cited
US2514427A
Cited
GB880356A
Cited
FR1308346A
Cited
GB957440A
Cited
US3118786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |