US3028447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductors insulated with aluminum fluoride
Assignee: AT&T Inc
•
Filing: 1958-10-22
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Granted: 1962-04-03
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Expires: 1978-10-22
Abstract
No abstract record available.
Inventors
- 👤 Steward S Flaschen
- 👤 Paul D Garn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032; C; C23; C23C; C23C8/00; C23C8/06; H01B; H01B11/00; H01B11/18; H01B11/1834; H01B3/00; H01B3/02; H01B3/025; H01B3/10; H01B3/105; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A CAPACITOR COMPRISING TWO ELECTRICALLY CONDUCTING ELEMENTS SPACED BY A DIELECTRIC CONSISTING ESSENTIALLY OF ALUMINUM FLUORIDE.
Claim 2
Dependent Claim
16 words
A CAPACITOR COMPRISING TWO ELECTRICALLY CONDUCTING ELEMENTS SPACED BY A DIELECTRIC CONSISTING ESSENTIALLY OF ALUMINUM FLUORIDE.
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |