US3330980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shadow mask mounted with bi-metallic sections connected by expansible loop
Assignee: RCA Corp
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Filing: 1965-07-16
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Granted: 1967-07-11
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Terry M Shrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:11
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/06; H01J29/07; H01J29/073; H01J2229/00; H01J2229/07; H01J2229/0722
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A CATHODE RAY TUBE COMPRISING AN ENVELOPE INCLUDING A FACEPLATE, A MULTI-APERTURED MASK ELECTRODE, AND TEMPERATURE COMPENSATING MEANS MOUNTING SAID ELECTRODE IN SAID ENVELOPE IN SPACED RELATION TO SAID FACEPLATE, SAID MEANS COMPRISING: (A) A BASE PLATE OF BI-METALLIC SHEET METAL COMPRISING TWO MOUNTING SECTIONS CONNECTED BY AN EXPANSION LOOP SECTION, ONE OF SAID MOUNTING SECTIONS BEING ATTACHED TO SAID ELECTRODE; AND (B) AN ELONGATED LEAF SPRING HAVING ONE END CONNECTED TO SAID ENVELOPE AND ANOTHER END ATTACHED TO THE OTHER OF SAID MOUNTING SECTIONS.
Claim 2
Dependent Claim
85 words
A CATHODE RAY TUBE COMPRISING AN ENVELOPE INCLUDING A FACEPLATE, A MULTI-APERTURED MASK ELECTRODE, AND TEMPERATURE COMPENSATING MEANS MOUNTING SAID ELECTRODE IN SAID ENVELOPE IN SPACED RELATION TO SAID FACEPLATE, SAID MEANS COMPRISING: (A) A BASE PLATE OF BI-METALLIC SHEET METAL COMPRISING TWO MOUNTING SECTIONS CONNECTED BY AN EXPANSION LOOP SECTION, ONE OF SAID MOUNTING SECTIONS BEING ATTACHED TO SAID ELECTRODE; AND (B) AN ELONGATED LEAF SPRING HAVING ONE END CONNECTED TO SAID ENVELOPE AND ANOTHER END ATTACHED TO THE OTHER OF SAID MOUNTING SECTIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |