Patent US2427563A successfully refreshed from Google Patents.
US2427563A
Expired / Lapsed
US
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Combined tube socket and by-pass condenser unit
Assignee: SPX Technologies Inc
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Filing: 1944-07-03
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Granted: 1947-09-16
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Expires: 1964-07-03
Abstract
No abstract record available.
Inventors
- 👤 Stephen D Lavoie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:27
CPC Classifications
H; H01; H01G; H01G2/00; H05; H05K; H05K7/00; H05K7/02; H01S; H01S5/00; H01S5/06; H01S5/062; H01S5/06233; H01S5/06243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US935923A
Cited
US1960058A
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US2144009A
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US2160478A
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US2092930A
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US2259739A
Cited
US2259328A
Cited
US2334660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |