Patent US2832785A successfully refreshed from Google Patents.
US2832785A
Expired / Lapsed
US
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Heterocycle aminoalcohol esters of n-substituted piperidine carboxylic acids
Assignee: LAKESIDE LAB Inc
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Filing: 1955-09-28
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Granted: 1958-04-29
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Expires: 1975-09-28
Abstract
No abstract record available.
Inventors
- 👤 John H Biel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:01
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/06; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PRODUCT OF THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULAE
Claim 2
Dependent Claim
11 words
A PRODUCT OF THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULAE
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |