US3135694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxymethyl esters of 2-mercapto 2-thiono 1, 3, 2-dioxaphosphorinane acids
Assignee: Wyeth Holdings LLC
•
Filing: 1953-08-07
•
Granted: 1964-06-02
•
Expires: 1973-08-07
Abstract
No abstract record available.
Inventors
- 👤 Gerard A Loughran
- 👤 Edwin O Hook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:43
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C07F9/657118; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/047; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A CYCLIC CITHIOPHOSPHATE HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
A CYCLIC CITHIOPHOSPHATE HAVING THE FORMULA:
References Cited (Backward Citations)
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US2372358A
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US2438876A
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US2529303A
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US2552570A
Cited
US2661366A
Cited
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US3006946A
Cited
US3070619A
Cited
US2892863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |