US3785871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brine battery
Assignee: Individual
•
Filing: 1972-07-10
•
Granted: 1974-01-15
•
Expires: 1992-07-10
Abstract
Abstract The present invention relates to a brine battery comprising an anode body made of metallic magnesium or a compound thereof and a cathode body made of an oxide of lead, both of these electrodes being fixedly secured to an insulating mounting plate at mutually opposed position, both said electrodes being further capable of being freely soaked into or taken out of non-tight-enclosed brine or sea water.
Inventors
- 👤 M Ichikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:50
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
12 words
The battery according to claim 1, wherein the anode comprises metallic magnesium.
Claim 2
Dependent Claim
29 words
The battery according to claim 1, wherein the cathode comprises a paste composed of lead tetraoxide and dilute sulfuric acid in a lattice-like base plate formed of lead-antimony alloy.
Claim 3
Dependent Claim
12 words
The battery according to claim 3, wherein the anode comprises metallic magnesium.
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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |