US2596758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular metal-to-glass sealing construction
Assignee: Superior Tube Co
•
Filing: 1946-07-08
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Granted: 1952-05-13
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Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:32
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; H; H01; H01J; H01J5/00; H01J5/32; H01J5/40; H01J5/42; H01J2893/00; H01J2893/0033; H01J2893/0034; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1288916A
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US1158928A
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US1649907A
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US1506486A
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GB379883A
Cited
US1980840A
Cited
US2010145A
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US2483940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |