US2995614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat cell and manufacture thereof
Assignee: Union Carbide Corp
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Filing: 1958-04-16
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Granted: 1961-08-08
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Expires: 1978-04-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Krucger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:56
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M50/00; H01M50/10; H01M50/116; H01M50/121; H01M50/50; H01M50/543; H01M50/547; H01M50/552; H01M50/553; H01M50/555; H01M50/557
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF MANUFACTURING A SUBSTANTIALLY FLAT PRIMARY GALVANIC CELL WHICH COMPRISES PROVIDING AN ELECTRICALLY NON-CONDUCTIVE, FLEXIBLE, FILM-FORM WRAPPER FOR SAID CELL HAVING AN APERTURE THEREIN, MARGINALLY SEALLING A FLEXIBLE, ELECTRICALLY-CONDUCTIVE FILM-FORM CATHODE COLLECTOR TO SAID WRAPPER THEREBY FORMING A LAMINATE WHEREIN A MINOR PORTION OF SAID WRAPPER EXTENDS PERIPHERALLY BEYOND SAID COLLECTOR AND SAID APERTURE COMMUNICATES WITH SAID COLLECTOR, PROVIDING ON SAID COLLECTOR ELECTORLYTEWET DEPOLARIZER MIX AND A CONSUMABLE ANODE SHEET HAVING AN ELECTRICAL LEAD CONNECTED THERETO, SAID DEPOLARIZER
Claim 2
Independent Claim
80 words
THE METHOD OF MANUFACTURING A SUBSTANTIALLY FLAT PRIMARY GALVANIC CELL WHICH COMPRISES PROVIDING AN ELECTRICALLY NON-CONDUCTIVE, FLEXIBLE, FILM-FORM WRAPPER FOR SAID CELL HAVING AN APERTURE THEREIN, MARGINALLY SEALLING A FLEXIBLE, ELECTRICALLY-CONDUCTIVE FILM-FORM CATHODE COLLECTOR TO SAID WRAPPER THEREBY FORMING A LAMINATE WHEREIN A MINOR PORTION OF SAID WRAPPER EXTENDS PERIPHERALLY BEYOND SAID COLLECTOR AND SAID APERTURE COMMUNICATES WITH SAID COLLECTOR, PROVIDING ON SAID COLLECTOR ELECTORLYTEWET DEPOLARIZER MIX AND A CONSUMABLE ANODE SHEET HAVING AN ELECTRICAL LEAD CONNECTED THERETO, SAID DEPOLARIZER
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |