Patent US2616813A successfully refreshed from Google Patents.
US2616813A
Expired / Lapsed
US
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Condenser
Assignee: Hartford National Bank and Trust Co
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Filing: 1949-10-29
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Granted: 1952-11-04
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Expires: 1969-10-29
Abstract
No abstract record available.
Inventors
- 👤 Klasens Hendrik Anne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:46
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; H01G4/1218; H01G4/1227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A CAPACITOR CONSISTING OF A FIRED REACTION PRODUCT OF BARIUM OXIDE, CERIUM DIOXIDE AND TITANIUM DIOXIDE IN THE PROPORTIONS DEFINED
Claim 2
Dependent Claim
20 words
A CAPACITOR CONSISTING OF A FIRED REACTION PRODUCT OF BARIUM OXIDE, CERIUM DIOXIDE AND TITANIUM DIOXIDE IN THE PROPORTIONS DEFINED
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |