Patent US3181972A successfully refreshed from Google Patents.
US3181972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrol compounds as depolarizers
Assignee: Monsanto Research Corp
•
Filing: 1963-02-05
•
Granted: 1965-05-04
•
Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 John O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:55
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M4/00; H01M4/02; H01M4/36; H01M4/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PRIMARY CELL HAVING AN ANODE FORMED BY A METAL STANDING HIGH IN THE ELECTROMOTIVE SERIES, IN COMBINATION WITH A CATHOD INCLUDING A DEPOLARIZER CONSISTING OF A NITROL COMPOUND SELECTED FROM THE CLASS CONSISTING OF NIRTOLIC ACIDS AND PSEUDONITROLES.
Claim 2
Dependent Claim
39 words
A PRIMARY CELL HAVING AN ANODE FORMED BY A METAL STANDING HIGH IN THE ELECTROMOTIVE SERIES, IN COMBINATION WITH A CATHOD INCLUDING A DEPOLARIZER CONSISTING OF A NITROL COMPOUND SELECTED FROM THE CLASS CONSISTING OF NIRTOLIC ACIDS AND PSEUDONITROLES.
References Cited (Backward Citations)
US2993946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |