Patent US3358639A successfully refreshed from Google Patents.
US3358639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating apparatus for uniformly applying phosphor powders
Assignee: Philips North America LLC
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Filing: 1965-10-01
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Granted: 1967-12-19
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Lopenski
- 👤 Rokosz Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:27
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; B; B05; B05B; B05B5/00; B05B5/08; B05B5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ELECTROSTATIC COATING APPARATUS FOR COATING FINELY DIVIDED PHOSPHOR ONTO THE INTERIOR SURFACE OF AN OPENNECKED BULB, SAID APPARATUS COMPRISING: (A) MEANS FOR RETAINING AND ROTATING SAID BULB IN COATING POSITION; (B) HEATING MEANS EXTERNAL TO SAID BULB AS RETAINED IN COATING POSITION FOR HEATING SAME; (C) A PHOSPHOR SMOKE GENERATOR COMPRISING A PHOSPHOR POWDER RESERVOIR OPERABLE TO HOLD PHOSPHOR MATERIAL TO BE COATED, SMOKE-FORMING MEANS OPERABLE TO FORM PHOSPHOR POWDER IN SAID RESERVOIR INTO A POWDER SMOKE AT A CONTROLLED RATE AND NON-CONDUCTING AND NON-ABRADING FEED TUBE MEANS CONNECTING TO SAID SMOKE-FORMING MEANS TO RECEIVE AND CONVEY THE PHOSPHOR SMOKE FORMED BY SAID SMOKE-FORMING MEANS; (D) PROBE MEANS RECIPROCABLE INTO AND OUT OF SAID HEATED BULB WHEN IN COATING POSITION, SAID PROBE MEANS COMPRISING AN EXTENDING METALLIC MEMBER WHICH RETAINS A NON-CONDUCTING AND NON-ABRADING
Claim 2
Dependent Claim
135 words
AN ELECTROSTATIC COATING APPARATUS FOR COATING FINELY DIVIDED PHOSPHOR ONTO THE INTERIOR SURFACE OF AN OPENNECKED BULB, SAID APPARATUS COMPRISING: (A) MEANS FOR RETAINING AND ROTATING SAID BULB IN COATING POSITION; (B) HEATING MEANS EXTERNAL TO SAID BULB AS RETAINED IN COATING POSITION FOR HEATING SAME; (C) A PHOSPHOR SMOKE GENERATOR COMPRISING A PHOSPHOR POWDER RESERVOIR OPERABLE TO HOLD PHOSPHOR MATERIAL TO BE COATED, SMOKE-FORMING MEANS OPERABLE TO FORM PHOSPHOR POWDER IN SAID RESERVOIR INTO A POWDER SMOKE AT A CONTROLLED RATE AND NON-CONDUCTING AND NON-ABRADING FEED TUBE MEANS CONNECTING TO SAID SMOKE-FORMING MEANS TO RECEIVE AND CONVEY THE PHOSPHOR SMOKE FORMED BY SAID SMOKE-FORMING MEANS; (D) PROBE MEANS RECIPROCABLE INTO AND OUT OF SAID HEATED BULB WHEN IN COATING POSITION, SAID PROBE MEANS COMPRISING AN EXTENDING METALLIC MEMBER WHICH RETAINS A NON-CONDUCTING AND NON-ABRADING
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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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |