Patent US3079421A successfully refreshed from Google Patents.
US3079421A
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Polycyanopolysulfonylethylenes
Assignee: EIDP Inc
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Filing: 1959-10-30
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Granted: 1963-02-26
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Elmore L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:55
CPC Classifications
C; C09; C09B; C09B26/00; C09B26/02; C07; C07C; C07C255/00; C07C317/00; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18; C07D209/24; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20; C07D231/22; C07D231/26; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C09B23/00; C09B23/14; C09B23/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOUNDS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
5 words
COMPOUNDS REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |