US3356686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted amidopyrazalones containing a terminal ethylenically unsaturated group
Assignee: EIDP Inc
•
Filing: 1964-04-10
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Granted: 1967-12-05
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Expires: 1984-04-10
Abstract
No abstract record available.
Inventors
- 👤 Firestine John Charles
- 👤 Umberger Jacob Quentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:36
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/32; G03C7/327; G03C7/3275; C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/44; C07D231/52; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A SUBSTITUTED AMIDOPYRAZOLONE OF THE FORMULA
Claim 2
Dependent Claim
6 words
A SUBSTITUTED AMIDOPYRAZOLONE OF THE FORMULA
References Cited (Backward Citations)
US2369489A
Cited
GB599919A
Cited
US2600788A
Cited
US2850485A
Cited
US3070442A
Cited
US2976294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |