Patent US3659114A successfully refreshed from Google Patents.
Patent US2247056A successfully refreshed from Google Patents.
US2247056A
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Condenser control apparatus
Assignee: General Electric Co
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Filing: 1939-10-05
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Granted: 1941-06-24
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Expires: 1959-10-05
Abstract
No abstract record available.
Inventors
- 👤 Howard Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:09
CPC Classifications
F; F28; F28B; F28B11/00; F28B1/00; F28B1/06; Y; Y10; Y10S; Y10S236/00; Y10S236/01
Claims Analysis
Total Claims: 0
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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) | 1944-06-23 | 1944-12-23 | 1945-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-23 | 1948-12-23 | 1949-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-23 | 1952-12-23 | 1953-06-24 | $7700.00 | Window Closed / Lapsed |