Twin wheel castor
Screen January 1, 1
U.S. patent number D313,342 [Application Number 07/138,028] was granted by the patent office on 1991-01-01 for twin wheel castor. This patent grant is currently assigned to Colson Castors (Europe) Limited. Invention is credited to Stafford T. Screen.
| United States Patent | D313,342 |
| Screen | January 1, 1991 |
Twin wheel castor
Claims
The ornamental design for a twin wheel castor, as shown and described.
| Inventors: | Screen; Stafford T. (Oxy, GB2) |
|---|---|
| Assignee: | Colson Castors (Europe) Limited
(West Midlands, GB2) |
| Appl. No.: | 07/138,028 |
| Filed: | December 28, 1987 |
Foreign Application Priority Data
| Jul 8, 1987 [GB] | 1043323 | |||
| Current U.S. Class: | D8/375; 16/47 |
| Field of Search: | ;D8/375 ;16/47,48 |
References Cited [Referenced By]
U.S. Patent Documents
| D207100 | March 1967 | Haydock |
| D241513 | September 1976 | Fontana |
| D241611 | September 1976 | Crescenzi et al. |
| D266614 | October 1982 | Neville |
| D272416 | January 1984 | Screen |
| 2770831 | November 1956 | Angelica et al. |
| 2911666 | November 1959 | Schultz, Jr. |
| 3214785 | November 1965 | Chroust |
| 3894310 | July 1975 | Screen |
| 3967342 | July 1976 | Gebland |
| 4120071 | October 1978 | Crescenzi |
| 288962 | Jan 1966 | AU | |||
Attorney, Agent or Firm: Young & Thompson
Description
FIG. 1 is a front elevational view of a twin wheel castor showing my new design;
FIG. 2 is a left side elevational view thereof;
FIGS. 3 and 4 are respectively top and bottom plan views thereof;
FIG. 5 is a right side top and rear perspective view thereof; and
FIG. 6 is a rear elevational view thereof.
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