Electric hair clipper
Abstract
Abstract AN ELECTRIC HAIR CLIPPER HAVING A STATIONARY COMB BLADE, A MOVABLE SHEAR BLADE AND A ROTARY MOTOR MOUNTED ON AND IN A HOUSING HAVING A BASE PORTION AND A LID PORTION. THE MOTOR IS OPTIONALLY ENERGIZED BY A RECHARGEABLE BATTERY CONTAINED WITHIN THE HOUSING. THE BASE AND LID PORTIONS OF THE HOUSING HAVE A PLURALITY OF BOSSES WHICH VARIOUSLY COOPERATE TO POSITION ACCURATELY AND RETAIN IN ASSEMBLED RELATION THE MOTOR, THE BATTERY, AND THE STATIONARY COMB BLADE. THE MOVABLE SHEAR BLADE IS GUIDED ACCURATELY IN RELATION TO THE COMB BLADE, AND A HIGHLY EFFICIENT TRANSMISSION MECHANISM IS PROVIDED BETWEEN THE MOTOR AND THE MOVABLE SHEAR BLADE. CUTTING TENSION OR BIAS BETWEEN THE TWO BLADES IS PROVIDED BY MEANS OF A SPRING OF SUCH SHAPE AS TO PERMIT THE FORWARD END OF THE CLIPPER TO HAVE A LOW PROFILE.
Inventors
- 👤 William M Walton
Bibliographic Details
Claims Analysis
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |