US3297716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixture of 4-propyl-hygric acid amides
Assignee: Pharmacia and Upjohn Co
•
Filing: 1964-06-15
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Granted: 1967-01-10
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Barney J Magerlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/16; C07H; C07H15/00; C07H15/02; C07H15/14; C07H15/16
Claims Analysis
Total Claims: 0
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |