US3159634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New aminoalkylindenes and aminoalkyl indanyl ethers
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1961-10-31
•
Granted: 1964-12-01
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jack David
- 👤 Spickett Robert Geoffr William
- 👤 Ganellin Charon Robin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:29
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/753; C07C49/755; C07C45/00; C07C45/45; C07C45/46; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/74; C07C49/657; C07C49/665; C07C49/67; C07C49/687; C07C49/697
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A CHEMICAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULAE:
Claim 2
Dependent Claim
13 words
A CHEMICAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULAE:
References Cited (Backward Citations)
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Cited
US2479744A
Cited
US2670371A
Cited
US2798888A
Cited
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Cited
US2970149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |