US3463833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic resinous blends of alpha methyl styrene-methyl methacrylate copolymers with graft copolymers
Assignee: Kanegafuchi Chemical Industry Co Ltd
•
Filing: 1966-10-14
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Granted: 1969-08-26
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Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Masataka Isogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:51
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/14; C08F; C08F255/00; C08F255/08; C08F255/10; C08F279/00; C08F279/02; C08L25/16; C08L51/00; C08L51/04; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3238275A
Cited
US3170964A
Cited
GB965851A
Cited
GB1052797A
Cited
FR1358597A
Cited
US3336417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |