US3822150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature battery package and a method of assembling same
Assignee: Magnavox Electronic Systems Co
•
Filing: 1972-05-15
•
Granted: 1974-07-02
•
Expires: 1992-05-15
Abstract
Abstract A BATTERY PACKAGE TO BE DISPOSED IN AN ELEVATED TEMPERATURE ENVIRONMENT FOR A PREDETERMINED LENGHT OF TIME AS THE PRIMARY ENERGY SOURCE FOR A TELETHERMOMTER TRANSMITTER IS DISCLOSED COMPRISING A LIQUID-TIGHT MOLDED FOAM HEAT INSULATING HOUSING HAVING THE BATTERY AND A MASS OF FUSIBLE MATERIAL SUCH AS A PARAFFIN THEREIN. THE HOUSING IS FORMED IN TWO PARTS, THE BATTERY CONNECTED TO APPROPRIATE CONDUCTORS WHICH SEALINGLY PASS THROUGH ONE OF THOSE PARTS, THE BATTERY AND FUSIBLE MATERIAL IN ITS MOLTEN STATE PLACED IN ONE OF THOSE PARTS LEAVING AN AIR SPACE, AND THE TWO PARTS SEALINGLY FASTENED TOGETHER.
Inventors
- 👤 D Beardshear
- 👤 R Limbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:05
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/233; H01M50/24; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |