US3198802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethyl 4-phenyl-1-(1-pyrenylmethyl) piperidine-4-carboxylate
Assignee: STWB Inc
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Filing: 1964-12-28
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Granted: 1965-08-03
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert L Clarke
- 👤 Phillis G Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:12
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/60; C07D211/62; C07D211/64; C07D213/06; C07D213/16; C07D213/20; C07D213/78; C07D213/79; C07D215/00; C07D215/02; C07D215/04; C07D215/10; C07D295/00; C07D295/02; C07D295/027; C07D295/03; C07D295/037; C07C; C07C2601/00; C07C2601/12; C07C2601/14; C07C2603/00; C07C2603/02; C07C2603/40; C07C2603/42; C07C2603/50
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |