US3368023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed envelope structure for vacuum component
Assignee: Jennings Radio Manufacturing Corp
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Filing: 1965-01-11
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Granted: 1968-02-06
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph Martin Dimock Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66207; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; H02; H02P; H02P3/00; H02P3/06; H02P3/08; H01H2033/66223; H01H33/66261; H01H2033/66292; 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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |