Patent US965348A successfully refreshed from Google Patents.
US3207779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 5-indancarboxylic acids and esters
Assignee: STWB Inc
•
Filing: 1961-06-30
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Granted: 1965-09-21
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Royal A Cutler
- 👤 Johannes S Buck
- 👤 Phillis G Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:16
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/01; C07C65/105
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)
US2078625A
Cited
US2969372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |