US3261077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing regenerative capacitors
Assignee: Siemens and Halske AG
•
Filing: 1962-02-19
•
Granted: 1966-07-19
•
Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Meisinger Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:00
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/02; H01G4/00; H01G4/32; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD OF MAKING AN ELECTRICAL CAPACITOR, COMPRISING THE STEPS O PLACING UPON A SUITABLE AUXILIARY SUPPORTING FOIL A FIRST VARNISH LAYER, PROVIDING UPON SAID FIRST VARNISH LAYER A THIN METAL COATING, LEAVING A STRIPLIKE MARGINAL ZONE BARE OF METAL COATING, DISPOSING UPON SAID METAL COATING A SECOND VARNISH LAYER, ASSEMBLING A PLURALITY OF SAID THREE-LAYER FOILS TO FORM A CAPACITOR BY DISPOSING AT LEAST ONE OF SUCH FOILS WITH THE MARGINAL ZONE THEREOF DISPOSED AT ONE EDGE OF THE ASSEMBLY AND DISPOSING AT LEAST ONE OTHER OF SUCH FOILS WITH THE MARGINAL ZONE THEREOF DISPOSED AT THE OPPOSITE EDGE OF THE ASSEMBLY, FIRMLY BONDING TOGETHER AT LEAST TWO OF SUCH THREE-
Claim 2
Independent Claim
112 words
A METHOD OF MAKING AN ELECTRICAL CAPACITOR, COMPRISING THE STEPS O PLACING UPON A SUITABLE AUXILIARY SUPPORTING FOIL A FIRST VARNISH LAYER, PROVIDING UPON SAID FIRST VARNISH LAYER A THIN METAL COATING, LEAVING A STRIPLIKE MARGINAL ZONE BARE OF METAL COATING, DISPOSING UPON SAID METAL COATING A SECOND VARNISH LAYER, ASSEMBLING A PLURALITY OF SAID THREE-LAYER FOILS TO FORM A CAPACITOR BY DISPOSING AT LEAST ONE OF SUCH FOILS WITH THE MARGINAL ZONE THEREOF DISPOSED AT ONE EDGE OF THE ASSEMBLY AND DISPOSING AT LEAST ONE OTHER OF SUCH FOILS WITH THE MARGINAL ZONE THEREOF DISPOSED AT THE OPPOSITE EDGE OF THE ASSEMBLY, FIRMLY BONDING TOGETHER AT LEAST TWO OF SUCH THREE-
References Cited (Backward Citations)
CA548530A
Cited
US3123895A
Cited
US1889177A
Cited
US2037744A
Cited
US2275858A
Cited
US2336754A
Cited
US2907097A
Cited
US2958117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |