US2923798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for electrodes in glass vessels
Assignee: INST DIVI THOMAE FOUNDATION
•
Filing: 1956-08-20
•
Granted: 1960-02-02
•
Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 Albert E Gerth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:48
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US706741A
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US1269534A
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US1564690A
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GB276641A
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US1906602A
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US1950240A
Cited
FR847920A
Cited
US2121180A
Cited
US2383973A
Cited
US2696543A
Cited
US2740868A
Cited
US2794101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |