US3496251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated polyethylene graft copolymer and blends containing same
Assignee: Resonac Holdings Corp
•
Filing: 1964-01-24
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Granted: 1970-02-17
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Akira Takahashi
- 👤 Hiroo Kojima
- 👤 Masao Ogawa
- 👤 Hiroshi Osuka
- 👤 Shoichi Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:52
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08F; C08F255/00; C08F255/02; C08F255/023; C08L51/00; C08L51/06; Y; Y10; Y10S; Y10S260/00; Y10S260/14; Y10S525/00; Y10S525/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3227781A
Cited
US3298942A
Cited
US3162696A
Cited
US3143521A
Cited
US3158665A
Cited
US3268623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |