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US3436822A Expired / Lapsed US ⏱️ 0.0 years remaining

Cutter head for dry shaver having additional cutting means

Assignee: Individual
•
Filing: 1967-04-05
•
Granted: 1969-04-08
•
Expires: 1987-04-05
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Abstract

Abstract 1,184,114. Dry shavers. G. HEYEK. 6 April, 1967 [6 April, 1966], No. 15915/67. Heading B4B. The cutter head of a dry shaver comprises upper and lower foil cutters 1, 2 and a tension bridge 4 pressing the lower cutter against the upper cutter, bent side portions 1a of the upper cutter being held in a frame 3 and bent-out edge portions 2a of the lower cutter being held in openings 4a of the tension bridge. The lower cutter is reciprocated with respect to the upper cutter and has rectangular openings 2c arranged to co-operate with diamond-shaped openings 1c in the upper cutter. The upper cutter has openings 1d and the opposite edge portions of the lower cutter are formed as comb cutter parts 2d. In a modification, the bent side portions 1a Fig. 2 of the cutter foil 1 extend at an acute angle to oblique flange portions 3a of a head carrier 3b. Springs 5 engage the tension bridge 4 to urge the lower cutter against the upper cutter.

Inventors

  • 👤 Gerhard Heyek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:56
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/02; B26B19/04; B26B19/38; B26B19/384

Claims Analysis

Total Claims: 0
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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) 1972-04-07 1972-10-07 1973-04-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-07 1976-10-07 1977-04-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-07 1980-10-07 1981-04-08 $7700.00 Window Closed / Lapsed

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