US3452079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetic acid type compounds
Assignee: Merck and Co Inc
•
Filing: 1965-05-13
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Granted: 1969-06-24
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Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Tsung-Ying Shen
- 👤 Conrad P Dorn Jr
- 👤 William V Ruyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:19
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/56; C07C17/00; C07C17/26; C07C17/263; C07C17/35; C07C17/354; C07C205/07; C07C205/11; C07C205/12; C07C205/45; C07C22/00; C07C22/02; C07C22/04; C07C22/08; C07C25/00; C07C25/18; C07C323/00; C07C45/00; C07C45/004; C07C45/27; C07C45/29; C07C45/292; C07C45/41; C07C45/61; C07C45/63; C07C57/00; C07C57/64; C07C57/76; C07C59/00; C07C59/40; C07C59/42; C07C59/56; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE621255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |