US3141058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic-to-metal seal for high voltage vacuum device
Assignee: General Electric Co
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Filing: 1962-11-08
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Granted: 1964-07-14
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Expires: 1982-11-08
Abstract
No abstract record available.
Inventors
- 👤 Charles H Titus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:42
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66207; C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; F; F16; F16J; F16J13/00; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/123; C04B2237/124; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/343; C04B2237/50; C04B2237/59; C04B2237/592; C04B2237/64; C04B2237/72; C04B2237/76; C04B2237/765; H01H2033/66223; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041
Claims Analysis
Total Claims: 0
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |