US2627012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating of surfaces by laminated foil resistance elements with timed connecting means
Assignee: English Electric Co Ltd
•
Filing: 1950-08-05
•
Granted: 1953-01-27
•
Expires: 1970-08-05
Abstract
No abstract record available.
Inventors
- 👤 Kinsella John
- 👤 Robertson Ernest Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:31
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/12; B64D15/14
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |