Patent US3994443A successfully refreshed from Google Patents.
US3994443A
Expired / Lapsed
US
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Cleaning jaws for miniaturized objects
Assignee: Individual
•
Filing: 1976-02-09
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Granted: 1976-11-30
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Expires: 1996-02-09
Abstract
Abstract A miniaturized object cleaning apparatus which is portable and adjustable including two juxtaposed concave, allochiral, elongated tubular jaws containing opposed openings for passage of ionized air in the form of jets to remove fine dust particles from said article.
Inventors
- 👤 Martin Shenker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:25
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/02; B; B05; B05B; B05B1/00; B05B1/14; B05B1/20; B05B1/205; B05B15/00; B05B15/60; B05B15/65; B05B15/652; B08; B08B; B08B5/00; B08B5/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
63 words
A device for cleaning away dust from small flat work pieces comprising two allochirally shaped and adjustable juxtaposed tubular pipe jaws which are shaped concavely with their concave surfaces facing each other wherein each of said surfaces has openings for providing the passage therethrough of opposed air jets, so allocated as to provide equal air flow on opposite sides of said work pieces.
Claim 2
Independent Claim
63 words
A device for cleaning away dust from small flat work pieces comprising two allochirally shaped and adjustable juxtaposed tubular pipe jaws which are shaped concavely with their concave surfaces facing each other wherein each of said surfaces has openings for providing the passage therethrough of opposed air jets, so allocated as to provide equal air flow on opposite sides of said work pieces.
Claim 3
Dependent Claim
20 words
The device of claim 1 wherein the openings are about 1/16 inch in diameter for removing dust from photographic film.
Claim 4
Dependent Claim
23 words
The device of claim 1 wherein the openings are located along the longitudinal center axis and equidistantly spaced on each of the jaws.
Claim 5
Dependent Claim
34 words
The device of claim 1 wherein a gas ionizing means is connected to a compressed air source and in the path of the air jets before they issue from the openings on the jaws.
Claim 6
Dependent Claim
13 words
The device of claim 1 wherein the jaw members are composed of metal.
Claim 7
Dependent Claim
13 words
The device of claim 1 wherein the jaw members are composed of resin.
Claim 8
Dependent Claim
26 words
The device of claim 1 wherein the jaws may be spread apart at one end by providing a suitable hollow swivel joint at the other end.
Claim 9
Dependent Claim
21 words
The device of claim 7 wherein the said joint is a hollow swivel lap joint in combination with a clamping screw.
Claim 10
Dependent Claim
16 words
The device of claim 1 wherein said jaws are removably mounted in a yoke retaining handle.
Claim 11
Dependent Claim
23 words
The device of claim 9 wherein the removable means includes an o-ring which can be snapped into detent notch locations in the handle.
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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) | 1979-11-30 | 1980-05-31 | 1980-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-30 | 1984-05-31 | 1984-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-30 | 1988-05-31 | 1988-11-30 | $7700.00 | Window Closed / Lapsed |