Patent US3606792A successfully refreshed from Google Patents.
US3606792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermometer for refrigerator
Assignee: Individual
•
Filing: 1969-02-18
•
Granted: 1971-09-21
•
Expires: 1989-02-18
Abstract
Abstract A THERMOMETER FOR MONITORING THE TEMPERATURE OF BOTH THE INSIDE AND THE OUTSIDE OF COMMODITIES, SUCH AS MEAT, FISH, ETC., BEING REFRIGERATED. A HOLLOW PROBE OR A PROTECTION TUBE IS MADE OF A FLUORO RESIN SUCH AS POLYTETRAFLUOROETHYLENE AND INSERTED INTO THE COMMODITIES BEING REFRIGERATED. A THERMOMETER ELEMENT, SUCH AS A THERMOCOUPLE, A TEMPERATURE SENSITIVE MERCURY THEROMETER ELEMENT, OR A TEMPERATURE SENSITIVE ALCOHOL THERMOMETER ELEMENT, IS PLACED IN THE PROBE. TEMPERATURE INDICATION CAN BE MADE EITHER AT THE OUTLET OF THE PROBE OR AT A CENTRALIZED CONTROL ROOM BY FEEDING SIGNALS CARRYING INFORMATION RELATED TO THE OUTPUT FROM THE THERMOMETER ELEMENT TO THE CONTROL ROOM.
Inventors
- 👤 Tsuyoshi Yoshimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:33
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/08
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |