Patent US3077177A successfully refreshed from Google Patents.
US3077177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning indicators for interrupted power supply of freezers
Assignee: Individual
•
Filing: 1960-09-23
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Granted: 1963-02-12
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Expires: 1980-09-23
Abstract
No abstract record available.
Inventors
- 👤 Winchell Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:30
CPC Classifications
G; G01; G01K; G01K9/00; G01K11/00; G01K11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A DEVICE FOR INDICATING THAT A FREEZER HAS THAWED, COMPRISING A CONTAINER PARTIALLY FILLED WITH A FREEZABLE LIQUID, SAID CONTAINER HAVING A TRANSPARENT CYLINDRICAL BODY, AND MEANS FOR SUPPORTING THE CONTAINER IN THE FREEZER WITH ITS AXIS DISPOSED AT AN ACUTE ANGLE TO A VERTICAL PLANE SO THAT THE LIQUID IN A FROZEN STATE HAS ITS UPPER SURFACE ANGULARLY DISPOSED AT SAID ANGLE TO THE AXIS OF THE CONTAINER, SAID BODY HAVING AN ELLIPTICAL MARKING THEREON DISPOSED IN A PLANE AT AN ACUTE ANGLE TO THE AXIS OF THE CONTAINER.
Claim 2
Independent Claim
90 words
A DEVICE FOR INDICATING THAT A FREEZER HAS THAWED, COMPRISING A CONTAINER PARTIALLY FILLED WITH A FREEZABLE LIQUID, SAID CONTAINER HAVING A TRANSPARENT CYLINDRICAL BODY, AND MEANS FOR SUPPORTING THE CONTAINER IN THE FREEZER WITH ITS AXIS DISPOSED AT AN ACUTE ANGLE TO A VERTICAL PLANE SO THAT THE LIQUID IN A FROZEN STATE HAS ITS UPPER SURFACE ANGULARLY DISPOSED AT SAID ANGLE TO THE AXIS OF THE CONTAINER, SAID BODY HAVING AN ELLIPTICAL MARKING THEREON DISPOSED IN A PLANE AT AN ACUTE ANGLE TO THE AXIS OF THE CONTAINER.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |