US2722637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic condensers
Assignee: Individual
•
Filing: 1951-02-03
•
Granted: 1955-11-01
•
Expires: 1971-02-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:32
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
AN ELECTRODE AND SPACER ASSEMBLY IMPREGNATED WITH AN ELECTROLYTE, SAID ASSEMBLY COMPRISING A PLURALITY OF SPACED ELECTRODES AND INTERLEAVED SPACER LAYERS CONTAINING ELECTROLYTICALLY INERT, SYNTHETIC DIELECTIC FIBERS, AT LEAST A PORTION OF WHICH ARE THERMOPLASTIC, SAID SPACER LAYER HAVING MARGINS EXTENDING BEYOND THE ELECTRODE EDGES AND BEING INTEGRALLY BONDED AT SPACED INTERVALS TO THE EDGES OF THE NEXT SUCCEEDING SPACER LAYER.
Claim 2
Dependent Claim
61 words
AN ELECTRODE AND SPACER ASSEMBLY IMPREGNATED WITH AN ELECTROLYTE, SAID ASSEMBLY COMPRISING A PLURALITY OF SPACED ELECTRODES AND INTERLEAVED SPACER LAYERS CONTAINING ELECTROLYTICALLY INERT, SYNTHETIC DIELECTIC FIBERS, AT LEAST A PORTION OF WHICH ARE THERMOPLASTIC, SAID SPACER LAYER HAVING MARGINS EXTENDING BEYOND THE ELECTRODE EDGES AND BEING INTEGRALLY BONDED AT SPACED INTERVALS TO THE EDGES OF THE NEXT SUCCEEDING SPACER LAYER.
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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) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |