Patent US2955146A successfully refreshed from Google Patents.
US2955146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous sinter-frame for the storage of the electro-chemically active substance of an accumulator electrode
Assignee: Individual
•
Filing: 1957-08-16
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Granted: 1960-10-04
•
Expires: 1977-08-16
Abstract
No abstract record available.
Inventors
- 👤 Vogt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:48
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/80; B; B22; B22F; B22F3/00; B22F3/22; B22F7/00; B22F7/002; B22F2998/00; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/49115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
THE METHOD OF MANUFACTURING IN A CONTINUOUS MANNER A POROUS SUPPORTING ELEMENT FOR THE STORAGE IN THE PORES THEREOF OF THE ELECTROCHEMICALLY-ACTIVE SUBSTANCE OF AN ALKALINE ACCUMULATOR ELECTRODE COMPRISING THE STEPS OF FEEDING A CONTINUOUS BAND OF NICKEL-PLATEABLE METALLIC FOIL BETWEEN A PAIR OF COOPERATING ROLLERS HAVING PROJECTING RADIAL CUTTING TEETH AND COMPLEMENTAL PERIPHERAL RECESSES THEREIN TO RECEIVE SAID CUTTIG TEETH TO FORM PARTIALLY PUNCHED-OUT UNIFORM PROJECTIONS EXTENDING OUTWARDLY FROM AT LEAST ONE SIDE OF SAID FOIL AND OVERHANGING THE RESULTING HOLES IN THE FOIL, THEN FEEDING THE FOIL THROUGH A NICKEL PLATING BATH, THEN FEEDING THE PLATED FOIL THROUGH A STORAGE TANK CONTAINING A NICKEL-POWDER-MASS TO PROVIDE A LAYER OF SAID MASS CONTIGUOUSLY ON AT LEAST ONE OF THE FOIL SIDES HAVING SAID OUTWARD PROJECTIONS, THEN PASSING SAID COATED FOIL THROUGH SPACED SCRAPING MEANS TO REMOVE EXCESS NICKEL POWDER EXTENDING OUTWARDLY BEYOND THE MAXIMUM HEIGHT OF SAID PROJECTIONS SO THAT THE LAYER OF NICKEL POWDER WILL BE OF UNIFORM THICKNESS, AND THEN FEEDING THE COATED STRIP THROUGH AN OVEN TO SINTER SAID NICKEL POWDER LAYER THEREIN.
Claim 2
Independent Claim
177 words
THE METHOD OF MANUFACTURING IN A CONTINUOUS MANNER A POROUS SUPPORTING ELEMENT FOR THE STORAGE IN THE PORES THEREOF OF THE ELECTROCHEMICALLY-ACTIVE SUBSTANCE OF AN ALKALINE ACCUMULATOR ELECTRODE COMPRISING THE STEPS OF FEEDING A CONTINUOUS BAND OF NICKEL-PLATEABLE METALLIC FOIL BETWEEN A PAIR OF COOPERATING ROLLERS HAVING PROJECTING RADIAL CUTTING TEETH AND COMPLEMENTAL PERIPHERAL RECESSES THEREIN TO RECEIVE SAID CUTTIG TEETH TO FORM PARTIALLY PUNCHED-OUT UNIFORM PROJECTIONS EXTENDING OUTWARDLY FROM AT LEAST ONE SIDE OF SAID FOIL AND OVERHANGING THE RESULTING HOLES IN THE FOIL, THEN FEEDING THE FOIL THROUGH A NICKEL PLATING BATH, THEN FEEDING THE PLATED FOIL THROUGH A STORAGE TANK CONTAINING A NICKEL-POWDER-MASS TO PROVIDE A LAYER OF SAID MASS CONTIGUOUSLY ON AT LEAST ONE OF THE FOIL SIDES HAVING SAID OUTWARD PROJECTIONS, THEN PASSING SAID COATED FOIL THROUGH SPACED SCRAPING MEANS TO REMOVE EXCESS NICKEL POWDER EXTENDING OUTWARDLY BEYOND THE MAXIMUM HEIGHT OF SAID PROJECTIONS SO THAT THE LAYER OF NICKEL POWDER WILL BE OF UNIFORM THICKNESS, AND THEN FEEDING THE COATED STRIP THROUGH AN OVEN TO SINTER SAID NICKEL POWDER LAYER THEREIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |