US3491135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pamoates of (3-cyclohexyl-3-hydroxy-3-phenylpropyl) triethylammonium having unobjectionable flavors
Assignee: Wyeth Holdings LLC
•
Filing: 1969-03-03
•
Granted: 1970-01-20
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Expires: 1989-03-03
Abstract
No abstract record available.
Inventors
- 👤 James E Krueger
- 👤 William Charles Barringer
- 👤 Norman L Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:45
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/01; C07C65/105; C07C65/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB609454A
Cited
GB627139A
Cited
US2913494A
Cited
US3207779A
Cited
US3149159A
Cited
US3223720A
Cited
US3308159A
Cited
US3372177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |