Patent US4319399A successfully refreshed from Google Patents.
US4319399A
Expired / Lapsed
US
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Straight edge razor
Assignee: Warner Lambert Co LLC
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Filing: 1981-02-02
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Granted: 1982-03-16
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Expires: 2001-02-02
Abstract
Abstract A straight edge or barber razor having a blade operating lever useful to move the blade from an exposed or operating position to a closed or safe position.
Inventors
- 👤 John T. Ciaffone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:10
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/4062; B26B21/08; B26B21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A barber razor consisting essentially of a plastic handle terminating in a first blade guide, a second plastic blade guide, a blade having a cutting edge sandwiched movably between said guides, a plastic operating lever supported by said first guide and making a driving connection with said blade for moving the blade relative to the guides from a first position defining a closed position to a second position defining an operating position, said first blade guide being formed with a track for controlling motion of the blade, both said guides being serrated along edges adjacent the cutting edge of said blade, the serrations of one blade being offset relative to the serrations of the other, and said first blade guide being formed with bosses received in clearance holes in said blade, said bosses facilitating securing the blade guides together by sonic welding.
Claim 2
Dependent Claim
142 words
A barber razor consisting essentially of a plastic handle terminating in a first blade guide, a second plastic blade guide, a blade having a cutting edge sandwiched movably between said guides, a plastic operating lever supported by said first guide and making a driving connection with said blade for moving the blade relative to the guides from a first position defining a closed position to a second position defining an operating position, said first blade guide being formed with a track for controlling motion of the blade, both said guides being serrated along edges adjacent the cutting edge of said blade, the serrations of one blade being offset relative to the serrations of the other, and said first blade guide being formed with bosses received in clearance holes in said blade, said bosses facilitating securing the blade guides together by sonic welding.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-15 | 1985-09-14 | 1986-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-15 | 1989-09-14 | 1990-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-15 | 1993-09-14 | 1994-03-16 | $7700.00 | Window Closed / Lapsed |