US3607414A
Expired / Lapsed
US
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Thermal battery
Assignee: Panasonic Holdings Corp
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Filing: 1968-12-16
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Granted: 1971-09-21
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Expires: 1988-12-16
Abstract
Abstract A thermal battery in which a salt of an oxyacid of a halogen having a valency of I, III, V or VII and an alkali metal or alkaline earth metal is added to a depolarizer or an electrolyte, and which has an increased discharge capacity, a flat discharge voltage and a decreased internal resistance.
Inventors
- 👤 Hiroshi Kumano
- 👤 Yoshimi Omukai
- 👤 Hiroshi Yamasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:44
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
32 words
A thermal battery as defined in claim 1, in which said salt of oxyacid of halogen and metal is added in an amount of 15 percent or smaller of the depolarizing mixture.
Claim 2
Dependent Claim
25 words
A thermal battery as defined in claim 1 wherein said salt of oxyacid of halogen and metal comprises a halogen having a valence of I.
Claim 3
Dependent Claim
25 words
A thermal battery as defined in claim 1 wherein said salt of oxyacid of halogen and metal comprises a halogen having a valence of III.
Claim 4
Dependent Claim
25 words
A thermal battery as defined in claim 1 wherein said salt of oxyacid of halogen and metal comprises a halogen having a valence of V.
Claim 5
Dependent Claim
25 words
A thermal battery as defined in claim 1 wherein said salt of oxyacid of halogen and metal comprises a halogen having a valence of VII.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |