US3371093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-lower-alkyl and n-substituted-lower-alkyl-n-(and n, n-bis-)[(1-piperidyl)-lower-alkyl]amines
Assignee: STWB Inc
•
Filing: 1966-11-25
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Granted: 1968-02-27
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Zenitz
- 👤 Alexander R Surrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:04
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/14; C07D211/18; C07D211/20; C07D211/22; C07D211/36; C07D211/40; C07D211/42; C07D211/44; C07D211/46; C07D211/56; C07D211/58; C07D211/60; C07D211/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2662885A
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US2945032A
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US2928831A
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US2946793A
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US3092636A
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US3052684A
Cited
US3230520A
Cited
US3234276A
Cited
US3285905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |