Patent US3078298A successfully refreshed from Google Patents.
US3078298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-alkyl (sulfonyl and sulfoxyl) acrylic acid esters and nitriles
Assignee: EIDP Inc
•
Filing: 1958-12-15
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Granted: 1963-02-19
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Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Walter A Gregory
- 👤 Hein L Klopping
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:13
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
6 words
A COMPOUND REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
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US2354231A
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US2433742A
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US2506019A
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US2534112A
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US2556134A
Cited
US2537022A
Cited
US2675371A
Cited
US2837558A
Cited
US2748050A
Cited
US2806872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |