Patent US2692882A successfully refreshed from Google Patents.
US2692882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(5-benzyloxy-3-indole)-alkanoylamides and preparation thereof
Assignee: Pharmacia and Upjohn Co
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Filing: 1952-04-01
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Granted: 1954-10-26
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Expires: 1972-04-01
Abstract
No abstract record available.
Inventors
- 👤 Merrill E Speeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:39
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A (5 - BENZYLOXY-3-INDOLE) -ALKANOYLAMIDE HAVING THE FORMULA:
Claim 2
Dependent Claim
8 words
A (5 - BENZYLOXY-3-INDOLE) -ALKANOYLAMIDE HAVING THE FORMULA:
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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |