US2946727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making electrolytic condensers
Assignee: Condenser Machinery Corp
•
Filing: 1955-10-20
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Granted: 1960-07-26
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Expires: 1975-10-20
Abstract
No abstract record available.
Inventors
- 👤 Cary L Wellington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:17
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/008; H01G13/00; H01G13/003; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49787; Y10T29/49789; Y10T29/4979; Y10T428/00; Y10T428/12; Y10T428/12188; Y10T428/12194; Y10T428/12347; Y10T428/12431; Y10T428/12438; Y10T428/15; Y10T428/24; Y10T428/24479; Y10T428/24612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN THE ELECTROLYTIC CONDENSER ART, THE METHOD OF ATTACHING METAL TABS AT INTERVALS TO A METAL RIBBON, PERFORATING THE METAL RIBBON AT INTERVALS GENERALLY TRANSVERSE TO THE RIBBON AND NO MORE THAN ONCE BETWEEN ANY ADJACENT PAIR OF METAL TABS, AND BEFORE SEVERING INTO INDIVIDUAL ELECTRODES PASSING THE RIBBON THROUGH AN OXIDEFORMING BATH AND PLACING A VOLTAGE BETWEEN THE FOIL AND AN ELECTRODE IN THE BATH TO CAUSE CURRENT TO FLOW IN THE RIBBON, WHEREBY AN OXIDE COATING IS FORMED ON ALL EXPOSED SURFACES OF SAID TABS AND OF SAID RIBBON.
Claim 2
Dependent Claim
91 words
IN THE ELECTROLYTIC CONDENSER ART, THE METHOD OF ATTACHING METAL TABS AT INTERVALS TO A METAL RIBBON, PERFORATING THE METAL RIBBON AT INTERVALS GENERALLY TRANSVERSE TO THE RIBBON AND NO MORE THAN ONCE BETWEEN ANY ADJACENT PAIR OF METAL TABS, AND BEFORE SEVERING INTO INDIVIDUAL ELECTRODES PASSING THE RIBBON THROUGH AN OXIDEFORMING BATH AND PLACING A VOLTAGE BETWEEN THE FOIL AND AN ELECTRODE IN THE BATH TO CAUSE CURRENT TO FLOW IN THE RIBBON, WHEREBY AN OXIDE COATING IS FORMED ON ALL EXPOSED SURFACES OF SAID TABS AND OF SAID RIBBON.
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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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |