Patent US2820166A successfully refreshed from Google Patents.
US2820166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductive medium for anode button in a cathode ray tube
Assignee: OI Glass Inc
•
Filing: 1955-05-18
•
Granted: 1958-01-14
•
Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Alfred D Pinotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:55
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/92; H01J29/925; C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; H01B; H01B1/00; H01B1/06; H01B1/08; H01C; H01C1/00; H01C1/14; H01J5/00; H01J5/50; H01J5/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ELECTRICAL CONTACT DEVICE IN A HOLLOW GLASS BODY WHICH COMPRISES A HOLLOW METAL BUTTON SEALED INTO THE WALL OF SAID GLASS BODY FOR EXPOSURE AT OPPOSITE SIDES OF SAID WALL, A CONDUCTIVE COATING OVER THE MAJOR INTERNAL SURFACE OF SAID HOLLOW GLASS BODY ADAPTED TO PROVIDE AN ELECTRICAL POTENTIAL, A THIN METALLIC FILM OVERLYING THE INNER SURFACE OF SAID BUTTON AND ANY SURROUNDING LOCALIZED SURFACE IRREGULARITIES IN THE INTERNAL GLASS SURFACE, SAID FILM BEING INTERPOSED BETWEEN SAID CONDUCTIVE COATING AND SAID BUTTON AND BETWEEN SAID CONDUCTIVE COATING AND THE INTERNAL GLASS SURFACE.
Claim 2
Dependent Claim
93 words
AN ELECTRICAL CONTACT DEVICE IN A HOLLOW GLASS BODY WHICH COMPRISES A HOLLOW METAL BUTTON SEALED INTO THE WALL OF SAID GLASS BODY FOR EXPOSURE AT OPPOSITE SIDES OF SAID WALL, A CONDUCTIVE COATING OVER THE MAJOR INTERNAL SURFACE OF SAID HOLLOW GLASS BODY ADAPTED TO PROVIDE AN ELECTRICAL POTENTIAL, A THIN METALLIC FILM OVERLYING THE INNER SURFACE OF SAID BUTTON AND ANY SURROUNDING LOCALIZED SURFACE IRREGULARITIES IN THE INTERNAL GLASS SURFACE, SAID FILM BEING INTERPOSED BETWEEN SAID CONDUCTIVE COATING AND SAID BUTTON AND BETWEEN SAID CONDUCTIVE COATING AND THE INTERNAL GLASS SURFACE.
References Cited (Backward Citations)
US1859979A
Cited
US2093699A
Cited
US2047030A
Cited
US2151992A
Cited
US2508001A
Cited
US2562163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |