Patent US3133916A successfully refreshed from Google Patents.
US3133916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
-ch chj
Assignee: —
•
Filing: 1961-05-29
•
Granted: 1964-05-19
•
Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:20
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/56; C07D263/57; C07D235/00; C07D235/02; C07D235/04; C07D235/18; C07D277/00; C07D277/60; C07D277/62; C07D277/64; C07D277/66; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041; D; D06; D06L; D06L4/00; D06L4/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
6 words
THE OXAZOLE COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
6 words
THE OXAZOLE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2838504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |