Patent US2889249A successfully refreshed from Google Patents.
US2889249A
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Analgesic compositions and method of inducing analgesia in animals therewith
Assignee: National Drug Co
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Filing: 1956-07-23
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Granted: 1959-06-02
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Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Beiler Jay Morton
- 👤 Gustav J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:30
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/60; A61K31/618; A61K31/621; A61K31/16; A61K31/165; A61K31/33; A61K31/395; A61K31/41; A61K31/415; A61K31/435; A61K31/44; A61K31/445; A61K31/47; A61K31/485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A COMPOSITION OF MATTER HAVING ANALGESIC ACTIVITY WHICH COMPRISES 5 TO 1000 PARTS BY WEIGHT OF AN ANALGESIC AND FROM 30 TO 600 PARTS BY WEIGHT OF ALPHA-ALLYL-ALPHABENZYLACETAMIDE AS A POTENTIATING AGENT FOR SAID ANALGESIC.
Claim 2
Dependent Claim
35 words
A COMPOSITION OF MATTER HAVING ANALGESIC ACTIVITY WHICH COMPRISES 5 TO 1000 PARTS BY WEIGHT OF AN ANALGESIC AND FROM 30 TO 600 PARTS BY WEIGHT OF ALPHA-ALLYL-ALPHABENZYLACETAMIDE AS A POTENTIATING AGENT FOR SAID ANALGESIC.
References Cited (Backward Citations)
US2675340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |