Patent US2567873A successfully refreshed from Google Patents.
US2567873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyl-and alkoxyl-substituted cycloalkylphenyl aliphatic acids and the productionthereof
Assignee: GD Searle LLC
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Filing: 1949-06-29
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Granted: 1951-09-11
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Expires: 1969-06-29
Abstract
No abstract record available.
Inventors
- 👤 Robert R Burtner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:16
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/42; C07C59/54; C07C59/58; C07C59/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF 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) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |