US2709663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitors
Assignee: —
•
Filing: —
•
Granted: 1955-05-31
•
Expires: 1972-05-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:06
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A CAPACITOR STRIP COMPRISING A SUBSTANTIALLY IMPERVIOUS SELF-SUPORTABLE FILM OF CELLULOSE ACETATE LESS THAN 0.3 MIL IN THICKNESS, A COATING OF SILVER OF EXTREME THINNESS ON THE MAJOR PORTION OF ONE SIDE OF SAID FILM, A COATING OF CONDUCTING MATERIAL ADHERING ONLY TO THE COATING OF SILVER, SAID COATINGS COMPRISING A CONTINUOUS ELECTRODE BETWEEN 100 AND 10,000 A. UNITS IN THICKNESS, SAID COATING OF SILVER CONSTITUTING A MINOR PORTION OF THE THICKNESS OF SAID ELECTRODE AND A SEVERABLE CARRIER WEB COMPRISING A SUPPORT STRIP AND A COATING OF POLYSTYRENE BONDING THE SUPPORT STRIP TO SAID ELECTRODE-COATED FILM OF CELLULOSE ACETATE.
Claim 2
Dependent Claim
100 words
A CAPACITOR STRIP COMPRISING A SUBSTANTIALLY IMPERVIOUS SELF-SUPORTABLE FILM OF CELLULOSE ACETATE LESS THAN 0.3 MIL IN THICKNESS, A COATING OF SILVER OF EXTREME THINNESS ON THE MAJOR PORTION OF ONE SIDE OF SAID FILM, A COATING OF CONDUCTING MATERIAL ADHERING ONLY TO THE COATING OF SILVER, SAID COATINGS COMPRISING A CONTINUOUS ELECTRODE BETWEEN 100 AND 10,000 A. UNITS IN THICKNESS, SAID COATING OF SILVER CONSTITUTING A MINOR PORTION OF THE THICKNESS OF SAID ELECTRODE AND A SEVERABLE CARRIER WEB COMPRISING A SUPPORT STRIP AND A COATING OF POLYSTYRENE BONDING THE SUPPORT STRIP TO SAID ELECTRODE-COATED FILM OF CELLULOSE ACETATE.
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |