Patent US3591193A successfully refreshed from Google Patents.
US3591193A
Expired / Lapsed
US
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Molded articulated sled
Assignee: ADAMS & WESTLAKE Ltd
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Filing: 1969-11-14
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Granted: 1971-07-06
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Expires: 1989-11-14
Abstract
Abstract A molded articulated sled having a semihemispherical front and elongated rear section with mated bearing surfaces pivotally connected together. The rear section extending into the front section and having a shape conforming generally to the shape of the front; both of the sections having longitudinal runners adapted to receive coaster wheels and axles.
Inventors
- 👤 David L Mitchell Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:56
CPC Classifications
B; B62; B62B; B62B13/00; B62B13/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
132 words
A molded articulated sled comprising A. a front section including a pair of opposing longitudinal integrally molded runners and a floor extending between said runners, said floor including a rearwardly diverging generally parabolic depression therein; B. a substantially elongated rear section extending within the front section and including a pair of opposing longitudinal integrally molded runNers extending the length of said section outside the front section, a rear floor extending the length of said rear section and integrally molded therewith and including a depression molded therein positioned within the front section and conforming in part to the narrowest portion of the front depression, said conforming depressions comprising bearing surfaces; and C. means for pivotally connecting the bearing surfaces about a vertical axis together to provide articulation of the front and rear sections.
Claim 2
Dependent Claim
132 words
A molded articulated sled comprising A. a front section including a pair of opposing longitudinal integrally molded runners and a floor extending between said runners, said floor including a rearwardly diverging generally parabolic depression therein; B. a substantially elongated rear section extending within the front section and including a pair of opposing longitudinal integrally molded runNers extending the length of said section outside the front section, a rear floor extending the length of said rear section and integrally molded therewith and including a depression molded therein positioned within the front section and conforming in part to the narrowest portion of the front depression, said conforming depressions comprising bearing surfaces; and C. means for pivotally connecting the bearing surfaces about a vertical axis together to provide articulation of the front and rear sections.
Claim 3
Dependent Claim
16 words
A sled as set forth in claim 1 wherein said front section is hemispherical in shape.
Claim 4
Dependent Claim
34 words
A sled as set forth in claim 1 wherein said runners of the front and rear sections include holes molded therein for receiving axles having wheels thereon to convert said sled to a coaster.
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |