US3022302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of nu, nu-disubstituted amides of aryl acetic acids
Assignee: Pfizer Health AB
•
Filing: 1957-03-08
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Granted: 1962-02-20
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Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
- 👤 Martensson Olle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:04
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/54; C07D213/56; C07D295/04; C07D295/14; C07D295/145; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2585550A
Cited
US2608558A
Cited
US2841589A
Cited
US2098954A
Cited
US2529521A
Cited
US2555353A
Cited
US2782206A
Cited
US2823233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |