US3846174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportioned current battery
Assignee: Individual
•
Filing: 1973-04-11
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Granted: 1974-11-05
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Expires: 1993-04-11
Abstract
Abstract 1. An electrical battery comprising at least one cell including a plurality of positive plates interleaved one-for-one with a plurality of negative plates, with all plates immersed in an electrolyte, each plate having a current collection element at one end of the plate, and each plate being tapered in thickness from a thick portion adjacent the current collection element of the plate to a thin portion at the opposite end of the plate, the thin portion of each plate being aligned opposite the thick portion of each adjacent plate with the surface of each plate approximately parallel to the surface of each adjacent plate.
Inventors
- 👤 E Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:23
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/72; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
An electrical battery comprising at least one cell including a plurality of positive plates interleaved one-for-one with a plurality of negative plates, with all plates immersed in an electrolyte, each plate having a current collection element at one end of the plate, and each plate being tapered in thickness from a thick portion adjacent the current collection element of the plate to a thin portion at the opposite end of the plate, the thin portion of each plate being aligned opposite the thick portion of each adjacent plate with the surface of each plate approximately parallel to the surface of each adjacent plate.
Claim 2
Dependent Claim
103 words
An electrical battery comprising at least one cell including a plurality of positive plates interleaved one-for-one with a plurality of negative plates, with all plates immersed in an electrolyte, each plate having a current collection element at one end of the plate, and each plate being tapered in thickness from a thick portion adjacent the current collection element of the plate to a thin portion at the opposite end of the plate, the thin portion of each plate being aligned opposite the thick portion of each adjacent plate with the surface of each plate approximately parallel to the surface of each adjacent plate.
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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |