US3192771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sensitive unit
Assignee: Individual
•
Filing: 1960-09-02
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Granted: 1965-07-06
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Expires: 1980-09-02
Abstract
No abstract record available.
Inventors
- 👤 Stearns Seth Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:29
CPC Classifications
G; G01; G01K; G01K11/00; G01K11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A TEMPERATURE SENSITIVE DEVICE ADAPTED TO UNDERGO A STRUCTURAL CHANGE AS A RESULT OF A TEMPERATURE INCREASE TO A PREDETERMINED TEMPERATURE TO THEREBY GIVE WARNING OF SAID TEMPERATURE INCREASE, A PORTION TRANSPORTABLE REGARDLESS OF TEMPERATURE, COMPRISING: A CONTAINER HAVING AN EXTENDING NECK PORTION, AT LEAST SAID NECK PORTION BEING OF AN INCISIBLE MATERIAL ADAPTED TO BE CUT TO FORM AN OPENING THEREIN; AND AN AMOUNT OF A SUBSTANCE IN SAID CONTAINER WHICH IS SOLID AT TEMPERATURES BELOW A PREDETERMINED POINT AND IN A LIQUID STATE ABOVE SAID PREDETERMINED POINT, SAID SUBSTANCE BEING CAPABLE OF CHANGING FROM A SOLID TO A LIQUID AT TEMPERATURES IN EXCESS OF SAID PREDETERMINED TEMPERATURE, SAID SUBSTANCE CONTAINING A PLURALITY OF OB-
Claim 2
Dependent Claim
117 words
IN A TEMPERATURE SENSITIVE DEVICE ADAPTED TO UNDERGO A STRUCTURAL CHANGE AS A RESULT OF A TEMPERATURE INCREASE TO A PREDETERMINED TEMPERATURE TO THEREBY GIVE WARNING OF SAID TEMPERATURE INCREASE, A PORTION TRANSPORTABLE REGARDLESS OF TEMPERATURE, COMPRISING: A CONTAINER HAVING AN EXTENDING NECK PORTION, AT LEAST SAID NECK PORTION BEING OF AN INCISIBLE MATERIAL ADAPTED TO BE CUT TO FORM AN OPENING THEREIN; AND AN AMOUNT OF A SUBSTANCE IN SAID CONTAINER WHICH IS SOLID AT TEMPERATURES BELOW A PREDETERMINED POINT AND IN A LIQUID STATE ABOVE SAID PREDETERMINED POINT, SAID SUBSTANCE BEING CAPABLE OF CHANGING FROM A SOLID TO A LIQUID AT TEMPERATURES IN EXCESS OF SAID PREDETERMINED TEMPERATURE, SAID SUBSTANCE CONTAINING A PLURALITY OF OB-
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |