US3023337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge device having exterior lubricating phosphate coating
Assignee: Westinghouse Electric Corp
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Filing: 1959-03-31
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Granted: 1962-02-27
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 Robert W Repsher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:52
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/38; H01J61/42; C; C09; C09K; C09K11/00; C09K11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A DISCHARGE DEVICE HAVING AN ENVELOPE AND FINELYDIVIDED PHOSPHOR COATED ON THE ENVELOPE INTERIOR SURFACE, A THIN LUBRICATING COATING ON THE EXTERIOR SURFACE OF SAID ENVELOPE, SAID COATING COMPRISING SUBSTANTIALLY TRANSPARENT PHOSPHATE, AND THE AVERAGE WEIGHT OF SAID PHOSPHATE COATING AS EXPRESSED IN TERMS OF WEIGHT OF PHOSPHATE RADICAL INCLUDED THEREIN BEING FROM 2X10-6 TO 3X10-5 GRAM PER SQUARE CENTIMETER OF ENVELOPE EXTERIOR SURFACE.
Claim 2
Dependent Claim
64 words
A DISCHARGE DEVICE HAVING AN ENVELOPE AND FINELYDIVIDED PHOSPHOR COATED ON THE ENVELOPE INTERIOR SURFACE, A THIN LUBRICATING COATING ON THE EXTERIOR SURFACE OF SAID ENVELOPE, SAID COATING COMPRISING SUBSTANTIALLY TRANSPARENT PHOSPHATE, AND THE AVERAGE WEIGHT OF SAID PHOSPHATE COATING AS EXPRESSED IN TERMS OF WEIGHT OF PHOSPHATE RADICAL INCLUDED THEREIN BEING FROM 2X10-6 TO 3X10-5 GRAM PER SQUARE CENTIMETER OF ENVELOPE EXTERIOR SURFACE.
References Cited (Backward Citations)
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US2085251A
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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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |