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US3514472A
Expired / Lapsed
US
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Certain bis-(polychloro-2-hydroxyphenyl)acetic acid lactones
Assignee: Individual
•
Filing: 1969-06-24
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Granted: 1970-05-26
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Expires: 1989-06-24
Abstract
No abstract record available.
Inventors
- 👤 Philip A Berke
- 👤 William E Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 07:19
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/78; C07D307/82; C07D307/83; C07F; C07F1/00; C07F1/005; C07F3/00; C07F3/003; C07F3/10; C07F3/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2170632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |