Patent US2595304A successfully refreshed from Google Patents.
US2595304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trihalomethyl derivatives of 1, 3-dioxane
Assignee: GD Searle LLC
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Filing: 1950-09-27
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Granted: 1952-05-06
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Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 Elmer F Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:48
CPC Classifications
C; C07; C07D; C07D319/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A TRIHALOMETHYL-SUBSTITUTED 1,3-DIOXANE DERIVATIVE HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
A TRIHALOMETHYL-SUBSTITUTED 1,3-DIOXANE DERIVATIVE HAVING 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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |