Electrically heatable glass prodct and a method for the production thereof
Abstract
Abstract A GLASS PRODUCT WHICH CAN BE ELECTRICALLY HEATED FOR REMOVAL THEREFROM, OR/AND PREVENTION OF DEPOSITION THEREON, OF ICE, FROST AND FOG, WHICH IS SUITED FOR USE IN THE WINDOW OF THE VEHICLE AND PARTICULARLY IN THE REAR WINDOW OF THE AUTOMOBILE. THE PRODUCT CONSISTS OF A SINGLE TEMPERED GLASS SHEET, A PLURALITY OF NARROW STRIPS OF RESISTANCE COMPOSED OF ELECTROCONDUCTIVE FRIT AS FIRED ONTO AT LEAST ONE SURFACE OF SAID GLASS SHEET IN MUTUALLY PARALLEL RELATION AT INTERVALS OF ABOUT 3 CENTIMETERS, AND AT LEAST A COUPLE OF BUS BARS ELECTRICALLY CONNECTED TO SAID STRIPS OF RESISTANCE. THE BUS BARS ARE RESPECTIVELY MADE OF A SOLDER WHICH IS COMPOSED PREDOMINATLY OF PB,SN, ZN AND SB, AND ARE DIRECTLY FIRED ONTO SAID GLASS SURFACE SO THAT THEY INTERSECT AND CONNECT WITH THE ENDS OF SAID STRIPS OF RESISTANCE NEAR THE CORRESPONDING EDGES OF THE GLASS SHEET.
Inventors
- 👤 Kazuyuki Akeyoshi
- 👤 Naonori Hayashi
Bibliographic Details
Claims Analysis
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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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |