Patent US3072809A successfully refreshed from Google Patents.
US3072809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically operated hair clipping and shaving device
Assignee: Sunbeam Corp
•
Filing: 1955-11-01
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Granted: 1963-01-08
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Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Jepson Ivar
- 👤 Sigmund R Kukulski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:30
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/02; H; H01; H01R; H01R13/00; H01R13/62; H02; H02K; H02K33/00; H02K33/02; H02K33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
FOR USE IN A HAIR REMOVING DEVICE HAVING HAIR CUTTING MEANS, AN ALTERNATING CURRENT MOTOR FOR ACTUATING SAID HAIR CUTTING MEANS COMPRISING A U-SHAPED MAGNETIC STRUCTURE INCLUDING A PAIR OF SPACED POLE FACES DEFINING AN AIR GAP THEREBETWEEN, MEANS FOR ESTABLISHING AN ALTERNATING CURRENT MAGNETIC FIELD ACROSS SAID AIR GAP, AN ARMATURE DIMENSIONED TO FIT INTO SAID AIR GAP WITH THE LONGITUDINAL AXIS OF SAID ARMATURE BEING GENERALLY PARALLEL TO A LINE EXTENDING BETWEEN SAID POLE FACES, A BELL CRANK PIVOTED ABOUT A PIVOTAL AXIS DISPOSED COMPLETELY OUTSIDE SAID MAGNETIC STRUCTURE, AND MEANS FOR BODILY SUPPORTING SAID ARMATURE FROM ONE ARM OF SAID BELL CRANK IN A MANNER TO CAUSE SAID ARMATURE TO MOVE BODILY INTO AND OUT OF THE SPACE BETWEEN SAID POLE FACES.
Claim 2
Dependent Claim
125 words
FOR USE IN A HAIR REMOVING DEVICE HAVING HAIR CUTTING MEANS, AN ALTERNATING CURRENT MOTOR FOR ACTUATING SAID HAIR CUTTING MEANS COMPRISING A U-SHAPED MAGNETIC STRUCTURE INCLUDING A PAIR OF SPACED POLE FACES DEFINING AN AIR GAP THEREBETWEEN, MEANS FOR ESTABLISHING AN ALTERNATING CURRENT MAGNETIC FIELD ACROSS SAID AIR GAP, AN ARMATURE DIMENSIONED TO FIT INTO SAID AIR GAP WITH THE LONGITUDINAL AXIS OF SAID ARMATURE BEING GENERALLY PARALLEL TO A LINE EXTENDING BETWEEN SAID POLE FACES, A BELL CRANK PIVOTED ABOUT A PIVOTAL AXIS DISPOSED COMPLETELY OUTSIDE SAID MAGNETIC STRUCTURE, AND MEANS FOR BODILY SUPPORTING SAID ARMATURE FROM ONE ARM OF SAID BELL CRANK IN A MANNER TO CAUSE SAID ARMATURE TO MOVE BODILY INTO AND OUT OF THE SPACE BETWEEN SAID POLE FACES.
References Cited (Backward Citations)
US2734266A
Cited
US1574020A
Cited
US1820223A
Cited
GB336961A
Cited
US1934981A
Cited
US2146643A
Cited
US2262387A
Cited
US2261813A
Cited
US2238390A
Cited
US2290689A
Cited
US2290326A
Cited
US2299952A
Cited
US2367996A
Cited
US2351623A
Cited
CH233632A
Cited
US2453358A
Cited
US2530302A
Cited
GB669172A
Cited
US2603674A
Cited
US2702938A
Cited
US2908970A
Cited
US2744203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |