Patent US2325970A successfully refreshed from Google Patents.
Patent US2864025A successfully refreshed from Google Patents.
US2864025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared ray generating device
Assignee: General Electric Co
•
Filing: 1953-08-24
•
Granted: 1958-12-09
•
Expires: 1973-08-24
Abstract
No abstract record available.
Inventors
- 👤 Alton G Foote
- 👤 William F Hodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:10
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/18; H01K1/24; H01K1/20; H01K1/28; H01K1/32; H01K1/38; H01K1/52; H01K1/54; H01K3/00; H01K3/08; H01K3/10; H01R; H01R43/00; H01R43/033; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53039; Y10T29/53061; Y10T29/53065; Y10T29/5313; Y10T29/5327
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US461797A
Cited
US1306259A
Cited
US1062305A
Cited
US940021A
Cited
US1655502A
Cited
US1991774A
Cited
US2007922A
Cited
US2007927A
Cited
US2342044A
Cited
US2523033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |