US3468939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4- and 5-aryl-1-naphthaleneacetic acid compounds
Assignee: Parke Davis and Co LLC
•
Filing: 1965-04-28
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Granted: 1969-09-23
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Expires: 1985-04-28
Abstract
No abstract record available.
Inventors
- 👤 James S Kaltenbronn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:52
CPC Classifications
C; C07; C07C; C07C243/00; C07C243/24; C07C243/26; C07C243/30; C07C243/32; C07C17/00; C07C17/093; C07C17/10; C07C17/14; C07C17/26; C07C17/263; C07C17/2632; C07C17/32; C07C17/35; C07C17/357; C07C253/00; C07C253/14; C07C255/00; C07C57/00; C07C57/30; C07C57/38; C07C57/40; C07C57/52; C07C57/58; C07C57/64; C07C57/72; C07C59/00; C07C59/40; C07C59/58; C07C59/64
Claims Analysis
Total Claims: 0
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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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |