Patent US2556846A successfully refreshed from Google Patents.
US2556846A
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Enclosed variable condenser
Assignee: GTE Sylvania Inc
•
Filing: 1948-12-15
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Granted: 1951-06-12
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Expires: 1968-12-15
Abstract
No abstract record available.
Inventors
- 👤 Henry C M Longacre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/02; H01G5/00; H01G5/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE351686C
Cited
US1625330A
Cited
US1557125A
Cited
GB278748A
Cited
US2454049A
Cited
US2464716A
Cited
US2511338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |