US3202611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor electrolyte
Assignee: TDK Micronas GmbH
•
Filing: 1962-12-13
•
Granted: 1965-08-24
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Roy A Canty
- 👤 Rudolph G Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:15
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A THIXOTROPIC ELECTROLYTE FOR USE IN ELECTROLYTIC CAPACITORS CONSISTING ESSENTIALLY OF A MIXTURE OF PARTICULATE SILICA IN THE .015-.020 MICRON RANGE AND A SOLUTION OF ACID, SAID ACID MISTURE CONTAINING 5-8% BY WEIGHT OF PARTICULATE SILICA TO 92-95% BY WEIGHT OF ACID SOLUTION.
Claim 2
Dependent Claim
43 words
A THIXOTROPIC ELECTROLYTE FOR USE IN ELECTROLYTIC CAPACITORS CONSISTING ESSENTIALLY OF A MIXTURE OF PARTICULATE SILICA IN THE .015-.020 MICRON RANGE AND A SOLUTION OF ACID, SAID ACID MISTURE CONTAINING 5-8% BY WEIGHT OF PARTICULATE SILICA TO 92-95% BY WEIGHT OF ACID SOLUTION.
References Cited (Backward Citations)
US2169122A
Cited
US2257467A
Cited
US2910633A
Cited
US2879136A
Cited
US2937149A
Cited
US2863727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |