US3493480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition containing polypropylenevinylpyridine-acrylate ester graft copolymer
Assignee: Mitsubishi Chemical Corp
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Filing: 1966-09-01
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Granted: 1970-02-03
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Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 Toshihiko Kuroda
- 👤 Yoshinori Matsushima
- 👤 Yujiro Nakayama
- 👤 Isao Toshima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08F; C08F255/00; C08F255/02; C08L51/00; C08L51/06
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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |