Patent US3222399A successfully refreshed from Google Patents.
US3222399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopentylbenzylamines
Assignee: Individual
•
Filing: 1964-11-02
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Granted: 1965-12-07
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Faust John Andrew
- 👤 Sahyun Melville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:25
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/004; C07C33/00; C07C33/40; C07C33/50; C07C45/27; C07C45/29; C07C45/292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF 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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |