Patent US3219872A successfully refreshed from Google Patents.
US3219872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant energy device
Assignee: General Electric Co
•
Filing: 1962-09-19
•
Granted: 1965-11-23
•
Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 William F Hodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:15
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/44; H01; H01K; H01K1/00; H01K1/02; H01K1/14; H01K1/16; H01K7/00; H05B3/0033; H05B3/009; H05B3/02; H05B3/06; H05B2203/00; H05B2203/032
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |