Patent US2908593A successfully refreshed from Google Patents.
US2908593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitors
Assignee: Individual
•
Filing: 1952-04-17
•
Granted: 1959-10-13
•
Expires: 1972-04-17
Abstract
No abstract record available.
Inventors
- 👤 Edward S Naidus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:09
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/206; C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/48; C04B35/50; C04B35/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF PROVIDING THE SURFACES OF THE METAL ELECTRODES OF ELECTRICAL CAPACITORS WITH ADHERENT DIELECTRIC COATINGS INCLUDING MOLECULARLY DISPERSED TITANIA, WHICH COMPRISES THE STEPS OF APPLYING TO A SURFACE OF THE ELECTRODE A SOLUTION OF AN ORGANO TITANATE WHICH IS HYDROLYZABLE ON CONTACT WITH ATMOSPHERIC MOISTURE, IN A VOLATILE ORGANIC SOLVENT, EVAPORATING OFF THE SOLVENT AT ROOM TEMERATURE IN ATMOSPHERIR AIR OF NORMAL MOISTURE CONTENT TO AT LEAST INITIATE PARTIAL HYDROLYSIS OF THE ORGANO TITANATE, AND HEATING THE RESIDUE AT APPROXIMATELY 300*C. FOR AT LEAST ONE-HALF HOUR IN AIR.
Claim 2
Independent Claim
90 words
A METHOD OF PROVIDING THE SURFACES OF THE METAL ELECTRODES OF ELECTRICAL CAPACITORS WITH ADHERENT DIELECTRIC COATINGS INCLUDING MOLECULARLY DISPERSED TITANIA, WHICH COMPRISES THE STEPS OF APPLYING TO A SURFACE OF THE ELECTRODE A SOLUTION OF AN ORGANO TITANATE WHICH IS HYDROLYZABLE ON CONTACT WITH ATMOSPHERIC MOISTURE, IN A VOLATILE ORGANIC SOLVENT, EVAPORATING OFF THE SOLVENT AT ROOM TEMERATURE IN ATMOSPHERIR AIR OF NORMAL MOISTURE CONTENT TO AT LEAST INITIATE PARTIAL HYDROLYSIS OF THE ORGANO TITANATE, AND HEATING THE RESIDUE AT APPROXIMATELY 300*C. FOR AT LEAST ONE-HALF HOUR IN AIR.
References Cited (Backward Citations)
US661610A
Cited
US1735080A
Cited
US1739044A
Cited
US1818196A
Cited
US1846844A
Cited
GB396453A
Cited
US2058844A
Cited
US2229431A
Cited
US2384541A
Cited
US2394670A
Cited
US2421652A
Cited
US2486955A
Cited
US2494920A
Cited
US2709174A
Cited
US2566363A
Cited
US2504178A
Cited
US2512058A
Cited
US2585197A
Cited
US2590650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |