Patent US2651144A successfully refreshed from Google Patents.
US2651144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-to-metal seal
Assignee: General Electric Co
•
Filing: 1950-11-15
•
Granted: 1953-09-08
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Robert T Foley
- 👤 Herbert A Omley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:50
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; Y; Y10; Y10T; Y10T403/00; Y10T403/21
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |