US2684777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum-tight joint for metal, glass, or like material pieces
Assignee: Societe Francaise Radio Electrique
•
Filing: 1947-05-14
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Granted: 1954-07-27
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Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Danzin Andre
- 👤 Despois Edouard
- 👤 Patriarche Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:20
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/30; H01J2893/00; H01J2893/0033; H01J2893/0047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1079804A
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US1206177A
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US1545353A
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US1992556A
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US2286239A
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US2268670A
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US2229436A
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US2376439A
Cited
US2383470A
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US2504504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |