US3141823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing analgesia
Assignee: Research Laboratorium C Janssen NV
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Filing: 1962-09-04
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Granted: 1964-07-21
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Janssen Paul Adriaan Jan
- 👤 Gardocki Joseph Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:22
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A NEW COMPOSITION CONTAINING FROM ABOUT FIVE TO ABOUT ONE HUNDRED PARTS BY WEIGHT OF A COMPOUND HAVING THE STRUCTURE:
Claim 2
Dependent Claim
20 words
A NEW COMPOSITION CONTAINING FROM ABOUT FIVE TO ABOUT ONE HUNDRED PARTS BY WEIGHT OF A COMPOUND HAVING THE STRUCTURE:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |