Patent US3038901A successfully refreshed from Google Patents.
US3038901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenylpiperazinylalkyl esters
Assignee: Bayer Corp
•
Filing: 1960-03-17
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Granted: 1962-06-12
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Expires: 1980-03-17
Abstract
No abstract record available.
Inventors
- 👤 Hayao Shin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:01
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF PHENYLPIPERAZINYLALKYL ESTERS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
16 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF PHENYLPIPERAZINYLALKYL ESTERS REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2824874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |