Patent US2487075A successfully refreshed from Google Patents.
US2487075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl-alicyclic carboxylic acids and process for their manufacture
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1948-11-13
•
Granted: 1949-11-08
•
Expires: 1968-11-13
Abstract
No abstract record available.
Inventors
- 👤 Schwenk Erwin
- 👤 Papa Domenick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:21
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |