Patent US243161A successfully refreshed from Google Patents.
Patent US3247410A successfully refreshed from Google Patents.
US3247410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron gun structure
Assignee: Raytheon Co
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Filing: 1963-05-28
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Granted: 1966-04-19
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Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Oess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:10
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN ELECTRON GUN ASSEMBLY FOR A CATHODE RAY TUBE COMPRISING: FIRST, SECOND, AND THIRD CYLINDRICAL ELECTRODE MEMBERS SUCCESSIVELY DISPOSED ABOUT A COMMON AXIS; A FOURTH CYLINDRICAL ELECTRODE MEMBER CONCENTRICALLY DISPOSED WITHIN SAID THIRD ELECTRODE MEMBER; SAID SECOND AND THIRD ELECTRODE MEMBERS BEING SECURED TOGETHER IN ELECTRICALLY CONDUCTIVE RELATIONSHIP; SAID FIRST AND FOURTH ELECTRODE MEMBERS BEING SECURED TO SAID SECOND AND THIRD ELECTRODE MEMBERS, RESPECTIVELY, BY ELECTRICALLY CONDUCTIVE RADIALLY-EXTENDING PIN MEMBERS MOUNTED IN ELECTRICAL-
Claim 2
Dependent Claim
73 words
AN ELECTRON GUN ASSEMBLY FOR A CATHODE RAY TUBE COMPRISING: FIRST, SECOND, AND THIRD CYLINDRICAL ELECTRODE MEMBERS SUCCESSIVELY DISPOSED ABOUT A COMMON AXIS; A FOURTH CYLINDRICAL ELECTRODE MEMBER CONCENTRICALLY DISPOSED WITHIN SAID THIRD ELECTRODE MEMBER; SAID SECOND AND THIRD ELECTRODE MEMBERS BEING SECURED TOGETHER IN ELECTRICALLY CONDUCTIVE RELATIONSHIP; SAID FIRST AND FOURTH ELECTRODE MEMBERS BEING SECURED TO SAID SECOND AND THIRD ELECTRODE MEMBERS, RESPECTIVELY, BY ELECTRICALLY CONDUCTIVE RADIALLY-EXTENDING PIN MEMBERS MOUNTED IN ELECTRICAL-
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |