Patent US3133959A successfully refreshed from Google Patents.
US3133959A
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Haloalkyl-1, 3-propanediol dicarbamates
Assignee: Wyeth LLC
•
Filing: 1962-03-29
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Granted: 1964-05-19
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Seifter Joseph
- 👤 Cathryn H Gudmundsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:59
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06; A; A61; A61K; A61K31/00; A61K31/21; A61K31/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
2-CHLOROLOWERALKYL-2-LOWER-ALKYL-1,3-PROPANEDIOL DICARBAMATES.
Claim 2
Dependent Claim
2 words
2-CHLOROLOWERALKYL-2-LOWER-ALKYL-1,3-PROPANEDIOL DICARBAMATES.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |