Patent US3054876A successfully refreshed from Google Patents.
Patent US2999098A successfully refreshed from Google Patents.
US2999098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis-halocycloalkenyl derivatives of alkylidenedioxybenzenes
Assignee: Universal Oil Products Co
•
Filing: 1957-11-13
•
Granted: 1961-09-05
•
Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:50
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/72; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/52
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
11 words
A COMPOUND OF THE FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2923717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |