Patent US3277714A successfully refreshed from Google Patents.
US3277714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature indicating spoon
Assignee: Individual
•
Filing: 1963-06-10
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Granted: 1966-10-11
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Marilyn G Crandell
- 👤 Jr Russell C Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:33
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/28; A47J43/281; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A TEMPERATURE INDICATING SPOON COMPRISING: A SPOON BOWL MEMBER; A HOLLOW LOW-CONDUCTIVE HANDLE HAVING A TRANSPARENT WALL PORTION; A HOLLOW STEM OF MATERIAL HAVING A HIGH HEAT CONDUCTIVITY, SAID STEM HAVING A CLOSED END PORTION SECURED TO AN EXTERIOR SURFACE OF SAID BOWL MEMBER BUT OTHERWISE EXPOSED TO AMBIENT SPACE AND HAVING AN OPEN END EXTENDING INTO AND SECURED TO SAID HOLLOW HANDLE; TEMPERATURE RESPONSIVE MEANS IN SAID STEM, SECURED THERETO ADJACENT SAID CLOSED END AND COMPRISING A TEMPERATURE SENSING PORTION ADJACENT SAID CLOSED END AND A MOVABLE SHAFT EXTENDING ALONG SAID STEM AND INTO SAID HOLLOW HANDLE; AND MOVABLE TEMPERATURE INDICATING MEANS IN SAID HANDLE AND VIEWABLE THROUGH SAID TRANSPARENT WALL PORTION, SAID TEMPERATURE INDICATING MEANS BEING OPERATIVELY CONNECTED TO SAID SHAFT TO BE RESPONSIVE TO MOVEMENTS THEREOF.
Claim 2
Dependent Claim
129 words
A TEMPERATURE INDICATING SPOON COMPRISING: A SPOON BOWL MEMBER; A HOLLOW LOW-CONDUCTIVE HANDLE HAVING A TRANSPARENT WALL PORTION; A HOLLOW STEM OF MATERIAL HAVING A HIGH HEAT CONDUCTIVITY, SAID STEM HAVING A CLOSED END PORTION SECURED TO AN EXTERIOR SURFACE OF SAID BOWL MEMBER BUT OTHERWISE EXPOSED TO AMBIENT SPACE AND HAVING AN OPEN END EXTENDING INTO AND SECURED TO SAID HOLLOW HANDLE; TEMPERATURE RESPONSIVE MEANS IN SAID STEM, SECURED THERETO ADJACENT SAID CLOSED END AND COMPRISING A TEMPERATURE SENSING PORTION ADJACENT SAID CLOSED END AND A MOVABLE SHAFT EXTENDING ALONG SAID STEM AND INTO SAID HOLLOW HANDLE; AND MOVABLE TEMPERATURE INDICATING MEANS IN SAID HANDLE AND VIEWABLE THROUGH SAID TRANSPARENT WALL PORTION, SAID TEMPERATURE INDICATING MEANS BEING OPERATIVELY CONNECTED TO SAID SHAFT TO BE RESPONSIVE TO MOVEMENTS THEREOF.
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |