Patent US3256566A successfully refreshed from Google Patents.
Patent US3004683A successfully refreshed from Google Patents.
US3004683A
Expired / Lapsed
US
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Insulating housing
Assignee: General Electric Co
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Filing: 1959-02-09
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Granted: 1961-10-17
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Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 Theodor A Buchhold
- 👤 Karl F Schoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:16
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C13/00; F17C13/08; F17C13/086; F17C2201/00; F17C2201/01; F17C2201/0138; F17C2201/0147; F17C2201/0157; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/014; F17C2203/016; F17C2203/03; F17C2203/0304; F17C2203/0345; F17C2203/0391; F17C2203/06; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2203/0646; F17C2221/00; F17C2221/01; F17C2221/016; F17C2221/017; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/03; F17C2260/031; F17C2260/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US883479A
Cited
US2045000A
Cited
US2547607A
Cited
GB677326A
Cited
US2683297A
Cited
US2699583A
Cited
US2926810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |