US3317631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resins of aliphatic olefin, unsaturated acid copolymers and melamine-formaldehyde resins
Assignee: EIDP Inc
•
Filing: 1963-09-09
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Granted: 1967-05-02
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Rees Richard Watkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:28
CPC Classifications
C; C08; C08L; C08L51/00; C08L51/06; C08F; C08F255/00; C08F255/02; C08F8/00; C08G; C08G81/00; C08G81/02; C08G81/024; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L61/00; C08L61/20; C08L61/26; C08L61/28; C08L2312/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3201374A
Cited
US3214488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |