US3188227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of coated electric lamps
Assignee: General Electric Co
•
Filing: 1962-04-30
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Granted: 1965-06-08
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Vodicka Vincent
- 👤 Richard F Malinowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:46
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE METHOD OF PROVIDING A LAMP BULB WITH AN EXTERNAL DECORATIVE LIGHT-MODIFYING COATING WHICH COMPRISES, APPLYING TO THE EXTERIOR SURFACE OF THE BULB A BASE COAT OF A TRANSPARENT LACQUER, DRYING THE SAID LACQUER BASE COAT, SUPERFICIALLY REDISSOLVING THE SAID DRIED BASE COAT IN A SOLVENT THEREFOR TO SOFTEN AND RENDER TACKY THE SURFACE LAYER ONLY OF SAID BASE COAT, IMMEDIATELY APPLYING TO THE SOFTENED AND TACKY SURFACE OF THE BULB A LAYER OF PARTICLES OF LIGHT-TRANSLUCENT HEAT-EXPANDABLE THERMOPLASTIC SYNTHETIC RESIN DISSOLVABLE IN SAID SOLVENT AND CONTAINING IN HOMOGENEOUS DISPERSION THEREIN FROM ABOUT 3 PERCENT TO ABOUT 5 PERCENT BY WEIGHT OF A RAISING AGENT HAVING A BOILING POINT BELOW THE SOFTENING TEMPERATURE OF THE SAID THERMOPLASTIC RESIN AND IN WHICH SAID RESIN IS INSOLUBLE, AND THEN HEATING THE SAID THERMOPLASTIC RESIN PARTICLES TO EXPAND THEM INTO A CONTINUOUS INTEGRATED CELLULAR LAYER OF PUFFED PLASTIC FIRMLY ADHERENT TO SAID LACQUER BASE COAT.
Claim 2
Independent Claim
152 words
THE METHOD OF PROVIDING A LAMP BULB WITH AN EXTERNAL DECORATIVE LIGHT-MODIFYING COATING WHICH COMPRISES, APPLYING TO THE EXTERIOR SURFACE OF THE BULB A BASE COAT OF A TRANSPARENT LACQUER, DRYING THE SAID LACQUER BASE COAT, SUPERFICIALLY REDISSOLVING THE SAID DRIED BASE COAT IN A SOLVENT THEREFOR TO SOFTEN AND RENDER TACKY THE SURFACE LAYER ONLY OF SAID BASE COAT, IMMEDIATELY APPLYING TO THE SOFTENED AND TACKY SURFACE OF THE BULB A LAYER OF PARTICLES OF LIGHT-TRANSLUCENT HEAT-EXPANDABLE THERMOPLASTIC SYNTHETIC RESIN DISSOLVABLE IN SAID SOLVENT AND CONTAINING IN HOMOGENEOUS DISPERSION THEREIN FROM ABOUT 3 PERCENT TO ABOUT 5 PERCENT BY WEIGHT OF A RAISING AGENT HAVING A BOILING POINT BELOW THE SOFTENING TEMPERATURE OF THE SAID THERMOPLASTIC RESIN AND IN WHICH SAID RESIN IS INSOLUBLE, AND THEN HEATING THE SAID THERMOPLASTIC RESIN PARTICLES TO EXPAND THEM INTO A CONTINUOUS INTEGRATED CELLULAR LAYER OF PUFFED PLASTIC FIRMLY ADHERENT TO SAID LACQUER BASE COAT.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |