Patent US3284655A successfully refreshed from Google Patents.
US3284655A
Expired / Lapsed
US
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Cathode ray tube mesh assembly supported between envelope sections
Assignee: Raytheon Co
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Filing: 1963-06-10
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Granted: 1966-11-08
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Oess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:31
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/18; H01J29/00; H01J29/02; H01J29/025; H01J29/10; H01J29/36; H01J29/39; H01J29/395
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN AN ELECTRONIC VACUUM TUBE OF THE TYPE HAVING A MESH TARGET DISPOSED THEREIN, THE IMPROVEMENT COMPRISING: AT LEAST A PAIR OF ENVELOPE MEMBERS HAVING ADJACENT BEVELED EDGE PORTIONS AND DEFINING A CHAMBER THEREWITHIN, A MESH TARGET ASSEMBLY DISPOSED IN AND ACROSS SAID CHAMBER AND HAVING A MESH PORTION SECURED TO IMPERFORATE PERIPHERAL PORTIONS, SAID IMPERFORATE PORTIONS OF SAID TARGET ASSEMBLY BEING DISPOSED BETWEEN SAID BEVELED EDGE PORTIONS OF SAID ENVELOPE MEMBERS, ELECTRICAL LEAD-IN MEANS EXTERNAL TO SAID CHAMBER EXTENDING BETWEEN SAID BEVELED EDGE PORTIONS OF SAID ENVELOPE MEMBERS AND ELECTRICALLY CONNECTED TO SAID IMPERFORATE PERIPHERAL PORTIONS OF SAID TARGET ASSEMBLY, AND SEALING MEANS DISPOSED IN AND FILLING THE SPACE BETWEEN SAID BEVELED EDGE PORTIONS OF SAID ENVELOPE MEMBERS THEREBY HERMETICALLY JOINING SAID ENVELOPE MEMBERS AND SECURING SAID TARGET ASSEMBLY AND SAID ELECTRICAL LEAD-IN MEANS THERETO.
Claim 2
Dependent Claim
136 words
IN AN ELECTRONIC VACUUM TUBE OF THE TYPE HAVING A MESH TARGET DISPOSED THEREIN, THE IMPROVEMENT COMPRISING: AT LEAST A PAIR OF ENVELOPE MEMBERS HAVING ADJACENT BEVELED EDGE PORTIONS AND DEFINING A CHAMBER THEREWITHIN, A MESH TARGET ASSEMBLY DISPOSED IN AND ACROSS SAID CHAMBER AND HAVING A MESH PORTION SECURED TO IMPERFORATE PERIPHERAL PORTIONS, SAID IMPERFORATE PORTIONS OF SAID TARGET ASSEMBLY BEING DISPOSED BETWEEN SAID BEVELED EDGE PORTIONS OF SAID ENVELOPE MEMBERS, ELECTRICAL LEAD-IN MEANS EXTERNAL TO SAID CHAMBER EXTENDING BETWEEN SAID BEVELED EDGE PORTIONS OF SAID ENVELOPE MEMBERS AND ELECTRICALLY CONNECTED TO SAID IMPERFORATE PERIPHERAL PORTIONS OF SAID TARGET ASSEMBLY, AND SEALING MEANS DISPOSED IN AND FILLING THE SPACE BETWEEN SAID BEVELED EDGE PORTIONS OF SAID ENVELOPE MEMBERS THEREBY HERMETICALLY JOINING SAID ENVELOPE MEMBERS AND SECURING SAID TARGET ASSEMBLY AND SAID ELECTRICAL LEAD-IN MEANS THERETO.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |