Patent US2773570A successfully refreshed from Google Patents.
US2773570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined vacuum seal and electrode terminal
Assignee: General Electric Co
•
Filing: 1952-11-29
•
Granted: 1956-12-11
•
Expires: 1972-11-29
Abstract
No abstract record available.
Inventors
- 👤 Theodore G Mihran
- 👤 Theodore C Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:49
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/443; Y10T403/47
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1866857A
Cited
US2129892A
Cited
US2396320A
Cited
US2446017A
Cited
US2411656A
Cited
US2623090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |