Patent US2719170A successfully refreshed from Google Patents.
US2719170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl omega-carboxyalkyl disulfides and their lower alkyl esters
Assignee: EIDP Inc
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Filing: 1954-07-28
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Granted: 1955-09-27
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Expires: 1974-07-28
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:09
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A DISULFIDE SELECTED FROM THE CLASS CONSISTING OF ALKYL OMEGA-CARBOXYALKYL DISULFIDES AND THEIR LOWER ALKYL ESTERS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
20 words
A DISULFIDE SELECTED FROM THE CLASS CONSISTING OF ALKYL OMEGA-CARBOXYALKYL DISULFIDES AND THEIR LOWER ALKYL ESTERS REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |