Patent US3283122A successfully refreshed from Google Patents.
US3283122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for use in curling hair
Assignee: SONGRAND CORP
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Filing: 1963-11-12
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Granted: 1966-11-01
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Mcnair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:12
CPC Classifications
A; A45; A45D; A45D4/00; A45D4/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
HAIR CURLING APPARTUS COMPRISING: A HOUSING; AN ELONGATE UPRIGHT CYLINDRICAL CAVITY FORMED IN SAID HOUSING AND OPENING THROUGH THE TOP OF SAID HOUSING; A HEAT TRANSFER UNIT, SAID UNIT INCLUDING AN ELONGATE METALLIC HEAT CONDUCTING TUBE REMOVABLY RECEIVED IN SAID CAVITY, A HEAT ABSORBER MOUNTED WITHIN SAID TUBE, AN ELECTRICALLY ENERGIZABLE HEATING CIRCUIT INCLUDING A HEATING ELEMENT INSIDE SAID TUBE AND IN HEATING RELATIONSHIP WITH SAID HEAT ABSORBER, AND A TRANSLUCENT HOLLOW HANDLE PORTION CONNECTED WITH SAID TUBE AND PROJECTING ABOVE THE CAVITY WITH AN INDICATOR LAMP THEREIN, SAID LAMP CONNECTED WITH SAID HEATING CIRCUIT; DETACHABLE ELECTRIC CONNECTOR MEANS COMPRISING COOPERATING CONNECTOR MEANS CARRIED RESPECTIVELY BY THE HEAT TRANSFER UNIT AND HOUSING AND OPERABLE TO SUPPLY POWER TO SAID CIRCUIT AND LAMP WHILE SAID HEAT TRANSFER UNIT IS IN SAID CAVITY; AND THERMALLY ACTUATED SWITCH MEANS RESPONSIVE TO THE HEAT GENERATED IN SAID HEAT TRANSFER UNIT CONNECTED IN SAID HEATING CIRCUIT FOR DEENERGIZING SAID CIRCUIT LAMP WHEN A PREDETERMINED TEMPERATURE FOF THE HEAT TRANSFER UNIT HAS BEEN REACHED.
Claim 2
Dependent Claim
168 words
HAIR CURLING APPARTUS COMPRISING: A HOUSING; AN ELONGATE UPRIGHT CYLINDRICAL CAVITY FORMED IN SAID HOUSING AND OPENING THROUGH THE TOP OF SAID HOUSING; A HEAT TRANSFER UNIT, SAID UNIT INCLUDING AN ELONGATE METALLIC HEAT CONDUCTING TUBE REMOVABLY RECEIVED IN SAID CAVITY, A HEAT ABSORBER MOUNTED WITHIN SAID TUBE, AN ELECTRICALLY ENERGIZABLE HEATING CIRCUIT INCLUDING A HEATING ELEMENT INSIDE SAID TUBE AND IN HEATING RELATIONSHIP WITH SAID HEAT ABSORBER, AND A TRANSLUCENT HOLLOW HANDLE PORTION CONNECTED WITH SAID TUBE AND PROJECTING ABOVE THE CAVITY WITH AN INDICATOR LAMP THEREIN, SAID LAMP CONNECTED WITH SAID HEATING CIRCUIT; DETACHABLE ELECTRIC CONNECTOR MEANS COMPRISING COOPERATING CONNECTOR MEANS CARRIED RESPECTIVELY BY THE HEAT TRANSFER UNIT AND HOUSING AND OPERABLE TO SUPPLY POWER TO SAID CIRCUIT AND LAMP WHILE SAID HEAT TRANSFER UNIT IS IN SAID CAVITY; AND THERMALLY ACTUATED SWITCH MEANS RESPONSIVE TO THE HEAT GENERATED IN SAID HEAT TRANSFER UNIT CONNECTED IN SAID HEATING CIRCUIT FOR DEENERGIZING SAID CIRCUIT LAMP WHEN A PREDETERMINED TEMPERATURE FOF THE HEAT TRANSFER UNIT HAS BEEN REACHED.
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |