Spiral chute
Nair June 28, 1
U.S. patent number D296,489 [Application Number 07/078,019] was granted by the patent office on 1988-06-28 for spiral chute. This patent grant is currently assigned to The Post Office. Invention is credited to Moolamkuzhiel R. V. Nair.
| United States Patent | D296,489 |
| Nair | June 28, 1988 |
Spiral chute
Claims
The ornamental design for a spiral chute, substantially as shown and described.
| Inventors: | Nair; Moolamkuzhiel R. V. (Witham, GB2) |
|---|---|
| Assignee: | The Post Office (London,
GB2) |
| Appl. No.: | 07/078,019 |
| Filed: | July 23, 1987 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 735642 | May 20, 1985 | ||||
| Current U.S. Class: | D34/28 |
| Field of Search: | ;D34/28,29 ;193/12 ;209/434 ;D21/244 ;272/56.5R |
References Cited [Referenced By]
U.S. Patent Documents
| 803119 | October 1905 | Logan |
| 973921 | October 1910 | Dodge |
| 1784272 | December 1930 | Constable |
| 1959736 | May 1934 | Rademacher |
| 3565226 | February 1971 | Winchester |
| 3755878 | September 1973 | Henning |
| 3976176 | August 1976 | Kurtz et al. |
| 54248 | Apr 1985 | CA | |||
| 1370043 | Jun 1963 | FR | |||
Assistant Examiner: Chin; Kay H.
Attorney, Agent or Firm: Larson & Taylor
Description
FIG. 1 is a front perspective view of a spiral chute showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevation view thereof; and
FIG. 4 is a front elevation view thereof.
The brake lines shown in FIGS. 1, 3 and 4 indicate indeterminate length of the spiral chute.
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