US3335345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrolytic graphite
Assignee: —
•
Filing: —
•
Granted: 1967-08-08
•
Expires: 1984-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:29
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
IN A CAPACITOR DEVICE HAVING TWO OR MORE ELECTRICALLY CONDUCTING ELEMENTS SEPARATED FROM ONE ANOTHER BY DIELECTRIC MATERIAL, THE IMPROVEMENT COMRISING PYROLYTIC GRAPHITE AND PYROLYTIC BORON NITRIDE IN COMBINATION IN THE FORM OF ALTERNATE LAYERS CONSISTING ESSENTIALLY OF PYROLYTIC GRAPHITE SEPARATED BY A LAYER CONSISTING ESSENTIALLY OF PYROLYTIC BORON NITRIDE.
Claim 2
Dependent Claim
50 words
IN A CAPACITOR DEVICE HAVING TWO OR MORE ELECTRICALLY CONDUCTING ELEMENTS SEPARATED FROM ONE ANOTHER BY DIELECTRIC MATERIAL, THE IMPROVEMENT COMRISING PYROLYTIC GRAPHITE AND PYROLYTIC BORON NITRIDE IN COMBINATION IN THE FORM OF ALTERNATE LAYERS CONSISTING ESSENTIALLY OF PYROLYTIC GRAPHITE SEPARATED BY A LAYER CONSISTING ESSENTIALLY OF PYROLYTIC BORON NITRIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |