US3444274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asymmetrical para-nitrophenyl phosphates
Assignee: Bayer AG
•
Filing: 1965-08-24
•
Granted: 1969-05-13
•
Expires: 1985-08-24
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Schrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:07
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; A; A01; A01N; A01N57/00; A01N57/10; A01N57/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2891085A
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US2520393A
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US2678329A
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DE1117110B
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US3201444A
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US3131120A
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US3322864A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |