US3041127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating a cathode ray tube
Assignee: RCA Corp
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Filing: 1959-12-22
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Granted: 1962-06-26
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Expires: 1979-12-22
Abstract
No abstract record available.
Inventors
- 👤 John C Turnbull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:41
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/244; H01J9/38; H01J9/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A METHOD OF MANUFACTURING A CATHODE-RAY TUBE WITH A METAL-BACKED, PHOSPHOR SCREEN, COMPRISING THE STEPS OF ASSEMBLING THE TUBE WITH AN ELECTRON GUN IN POSITION THEREIN, THEREAFTER HEATING THE TUBE AT A TEMPERATURE AT WHICH
Claim 2
Independent Claim
35 words
A METHOD OF MANUFACTURING A CATHODE-RAY TUBE WITH A METAL-BACKED, PHOSPHOR SCREEN, COMPRISING THE STEPS OF ASSEMBLING THE TUBE WITH AN ELECTRON GUN IN POSITION THEREIN, THEREAFTER HEATING THE TUBE AT A TEMPERATURE AT WHICH
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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |