Patent US2669977A successfully refreshed from Google Patents.
US3201738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical heating element and insulation therefor
Assignee: General Electric Co
•
Filing: 1962-11-30
•
Granted: 1965-08-17
•
Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Stephan P Mitoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:35
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/48; C; C04; C04B; C04B35/00; C04B35/01; C04B35/03; H05B3/10; H05B3/18
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |