Patent US4294481A successfully refreshed from Google Patents.
US4294481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cylinder carrier
Assignee: Uniweld Products Inc
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Filing: 1980-06-26
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Granted: 1981-10-13
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Expires: 2000-06-26
Abstract
Abstract A welding cylinder truck adopted to hold one large tank on one side and, on the other side, either one similarly sized or intermediate sized tank of another gas or a pair of small tanks. The carrier of the invention, by virtue of this design, is more versatile than carriers heretofore available.
Inventors
- 👤 Douglas B. Pearl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:03
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/084; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/03; F17C2201/032; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0153; F17C2205/0157; F17C2205/0165; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/018; F17C2221/03; F17C2221/031
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
In a gas cylinder stand or truck including cylinder support or base means, handle means and cylinder retaining means, improvements in said cylinder retaining means comprising: first and second pairs of spaced, opposed arcurate sections; said first pair of said sections being spaced and having a radius to accommodate and retain a gas cylinder of a given size therebetween; said second pair of said sections being joined to said first pair at four junction points to form a unitary, cylinder-retaining structure; said second pair of said sections having radii and an included angle or length to accommodate two adjacent gas cylinders of smaller size than said given size therebetween; the radii of said second pair of said sections being smaller than the radius of said first pair of said sections.
Claim 2
Dependent Claim
130 words
In a gas cylinder stand or truck including cylinder support or base means, handle means and cylinder retaining means, improvements in said cylinder retaining means comprising: first and second pairs of spaced, opposed arcurate sections; said first pair of said sections being spaced and having a radius to accommodate and retain a gas cylinder of a given size therebetween; said second pair of said sections being joined to said first pair at four junction points to form a unitary, cylinder-retaining structure; said second pair of said sections having radii and an included angle or length to accommodate two adjacent gas cylinders of smaller size than said given size therebetween; the radii of said second pair of said sections being smaller than the radius of said first pair of said sections.
Claim 3
Dependent Claim
45 words
The gas cylinder stand or truck as claimed in claim 1, wherein the radii of said second pair of said second sections are the same, whereby said retaining structure may accommodate either one cylinder of said given size or two identical cylinders of smaller size.
Claim 4
Dependent Claim
25 words
The gas cylinder stand or truck as claimed in claim 1, and additionally comprising a second cylinder retaining means adjacent to said cylinder retaining means.
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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) | 1984-10-12 | 1985-04-13 | 1985-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-12 | 1989-04-13 | 1989-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-12 | 1993-04-13 | 1993-10-13 | $7700.00 | Window Closed / Lapsed |