US3526606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising a block copolymer,rubber and a process oil
Assignee: Asahi Kasei Corp
•
Filing: 1967-11-14
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Granted: 1970-09-01
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Expires: 1987-11-14
Abstract
No abstract record available.
Inventors
- 👤 Saburo Minekawa
- 👤 Koretaka Yamaguchi
- 👤 Kazuo Toyomoto
- 👤 Einosuke Fujimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
C; C08; C08L; C08L21/00; C08K; C08K3/00; C08K3/01; C08K3/013; C08L53/00; C08L53/02; C08L9/00; C08K3/02; C08K3/04; C08L7/00; C08L9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2638457A
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US2638462A
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US2900357A
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US2835645A
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US3094512A
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US3264237A
Cited
US3287333A
Cited
US3231635A
Cited
US3352944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |