Patent US3012000A successfully refreshed from Google Patents.
US3012000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making a graft copolymer of butadiene and styrene-allyl methacrylate copolymer
Assignee: Individual
•
Filing: 1956-06-05
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Granted: 1961-12-05
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Expires: 1976-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert S Aries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:58
CPC Classifications
C; C08; C08F; C08F257/00; C08F257/02; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2460300A
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US2643987A
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US2506857A
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US2606179A
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US2692255A
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US2762790A
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US2797208A
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US2845467A
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US2832759A
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US2856391A
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US2849432A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |