US2708211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric storage batteries and their production
Assignee: Sonotone Corp
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Filing: 1952-03-21
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Granted: 1955-05-10
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Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Helman W Koren
- 👤 Baumstark George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; H01M10/28; H01M10/281; H01B; H01B3/00; H01B3/18; H01B3/30; H01M10/30; H01M4/00; H01M4/02; H01M4/24; H01M4/26; H01M50/00; H01M50/40; H01M50/409; H01M50/449; H01M50/454; H01M50/457; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN THE PROCESS OF PRODUCING ELECTRODE PLATES FOR ALKALINE STORAGE BATTERY CELLS OUT OF SELF-SUPPORTING SHEET FORMATIONS, EACH COMPRISING A POROUS LAYER OF SINTERED NICKLE POWDER PARTICLES, THE STEPS COMPRISING PROVIDING A SHEET FORMATION CONTAINING A SUPPORTING MEMBER HAVING AT LEAST ONE SIDE THEREOF A POROUS LAYER OF SINTERED POWDER PARTICLES OF A METAL SELECTED FROM THE GROUP CONSISTING OF NICKLE AND IRON, COMPACTING SAID SHEET FORMATION ALONG NARROW SEPARATION ZONES TO CHANGE SAID SEPA-
Claim 2
Dependent Claim
75 words
IN THE PROCESS OF PRODUCING ELECTRODE PLATES FOR ALKALINE STORAGE BATTERY CELLS OUT OF SELF-SUPPORTING SHEET FORMATIONS, EACH COMPRISING A POROUS LAYER OF SINTERED NICKLE POWDER PARTICLES, THE STEPS COMPRISING PROVIDING A SHEET FORMATION CONTAINING A SUPPORTING MEMBER HAVING AT LEAST ONE SIDE THEREOF A POROUS LAYER OF SINTERED POWDER PARTICLES OF A METAL SELECTED FROM THE GROUP CONSISTING OF NICKLE AND IRON, COMPACTING SAID SHEET FORMATION ALONG NARROW SEPARATION ZONES TO CHANGE SAID SEPA-
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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |