Patent US3351530A successfully refreshed from Google Patents.
US3351530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for producing spasmolytic activity comprising 3-tropanyl-2-phenylacrylate compounds
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1967-01-09
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Granted: 1967-11-07
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Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Henry C Caldwell
- 👤 William G Groves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:23
CPC Classifications
C; C07; C07D; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A PHARMACEUTICAL COMPOSITION HAVING SPASMOLYTIC ACTIVITY IN DOSAGE UNIT FORM COMPRISING FROM ABOUT 2.0 MG. TO ABOUT 100 MG. OF A 3-TROPANYL-2-PHENYLACRYLATE COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
26 words
A PHARMACEUTICAL COMPOSITION HAVING SPASMOLYTIC ACTIVITY IN DOSAGE UNIT FORM COMPRISING FROM ABOUT 2.0 MG. TO ABOUT 100 MG. OF A 3-TROPANYL-2-PHENYLACRYLATE COMPOUND 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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |