US2043196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater
Assignee: General Electric Co
•
Filing: 1935-09-17
•
Granted: 1936-06-02
•
Expires: 1955-09-17
Abstract
No abstract record available.
Inventors
- 👤 Frank E Finlayson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/48; H05B3/02; H05B3/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49098
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-06-02 | 1939-12-02 | 1940-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-02 | 1943-12-02 | 1944-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-02 | 1947-12-02 | 1948-06-02 | $7700.00 | Window Closed / Lapsed |