Patent US3402198A successfully refreshed from Google Patents.
US3402198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(phenoxy), 2-(phenylthio) and 2-(anilino) substituted 2-alkylideneacetic acid derivatives
Assignee: Individual
•
Filing: 1965-10-20
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Granted: 1968-09-17
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 William A Bolhofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:30
CPC Classifications
C; C07; C07C; C07C317/00; C07C323/00; C07C51/00; C07C51/09; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68
Claims Analysis
Total Claims: 0
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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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |