Patent US4395822A successfully refreshed from Google Patents.
US4395822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin blade cartridge with purging fin and cooperating slidable cover cap
Assignee: Warner Lambert Co LLC
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Filing: 1981-10-05
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Granted: 1983-08-02
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Expires: 2001-10-05
Abstract
Abstract A wet shaving cartridge having at least two blades, a movable fin between blades for purging shaving debris and a slidable, permanently connected protective blade cover with a driving connection between the cover and the fin such that motion of the cover moves the fin.
Inventors
- 👤 John T. Ciaffone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:58
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/4062; B26B21/4037
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
74 words
A razor blade cartridge having at least two spaced blades having cutting edges, a movable member or fin sandwiched between the blades for purging the blades of shaving debris, a cap connected permanently to the blade cartridge and movable to and fro relative to the cartridge and means making a driving connection between the cap and said movable member operative to drive said movable member whenever the cap is moved in a predetermined direction.
Claim 2
Dependent Claim
74 words
A razor blade cartridge having at least two spaced blades having cutting edges, a movable member or fin sandwiched between the blades for purging the blades of shaving debris, a cap connected permanently to the blade cartridge and movable to and fro relative to the cartridge and means making a driving connection between the cap and said movable member operative to drive said movable member whenever the cap is moved in a predetermined direction.
Claim 3
Dependent Claim
20 words
The device of claim 1 in which the means making the driving connection define a pin and a cooperating link.
Claim 4
Dependent Claim
23 words
The device of claim 2 in which the pin projects from the cap and engages an elongated link formed in the movable member.
Claim 5
Dependent Claim
28 words
The device of claim 3 in which the link is fashioned with sufficient elongation to permit motion of said movable member independently of the motion of said cap.
Claim 6
Dependent Claim
17 words
The device of claim 4 in which said movable member is molded integrally with a fixed spacer.
Claim 7
Dependent Claim
18 words
The device of claim 5 in which the movable member is formed with a tab for digital operation.
Claim 8
Dependent Claim
72 words
A razor blade cartridge having at least two spaced blades having cutting edges, a movable member or fin sandwiched between the blades for purging the blades of shaving debris, said fin having an operating tab, a cap connected permanently to the blade cartridge and movable to and fro relative to the cartridge, said cap having an opening facilitating access to said operating tab whereby said fin is movable independently of said cover.
Claim 9
Dependent Claim
72 words
A razor blade cartridge having at least two spaced blades having cutting edges, a movable member or fin sandwiched between the blades for purging the blades of shaving debris, said fin having an operating tab, a cap connected permanently to the blade cartridge and movable to and fro relative to the cartridge, said cap having an opening facilitating access to said operating tab whereby said fin is movable independently of said cover.
References Cited (Backward Citations)
US4047296A
Cited
JPS5222791A
Cited
US4344227A
Cited
US4257160A
Cited
US4300285A
Cited
US4265015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-01 | 1987-01-31 | 1987-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-01 | 1991-01-31 | 1991-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-01 | 1995-01-31 | 1995-08-02 | $7700.00 | Window Closed / Lapsed |