Swivel chair
Lubke December 18, 1
U.S. patent number D253,677 [Application Number 05/831,796] was granted by the patent office on 1979-12-18 for swivel chair. This patent grant is currently assigned to Lubke KG. Invention is credited to Karl Lubke.
| United States Patent | D253,677 |
| Lubke | December 18, 1979 |
Swivel chair
Claims
The ornamental design for a swivel chair, substantially as shown.
| Inventors: | Lubke; Karl (Rheda, DE) |
|---|---|
| Assignee: | Lubke KG (Rheda,
DE) |
| Appl. No.: | 05/831,796 |
| Filed: | September 9, 1977 |
| Current U.S. Class: | D6/366 |
| Current International Class: | D0601 |
| Field of Search: | ;D6/26,20,30,31,67-78 ;297/344,345,346,310,340 |
References Cited [Referenced By]
U.S. Patent Documents
| D199308 | October 1964 | Petitt |
| D233712 | November 1974 | Koepke |
| D244972 | July 1977 | Lubke |
| D249413 | September 1978 | Frank |
Other References
|
Design Catalog, 9-1976, p. 39, Chair top left, by Zanotta. . Interiors, 8-1976, p. 30, Chair top center, by Sunar.. |
Primary Examiner: Dunkins; Bruce W.
Attorney, Agent or Firm: Kane; David S.
Description
FIG. 1 is a perspective front elevational view of a swivel chair showing the new design;
FIG. 2 is a perspective side elevational view of the swivel chair as seen from the right-hand side of FIG. 1;
FIG. 3 is a perspective plan view of the swivel chair; and
FIG. 4 is a perspective rear elevational view of the swivel chair.
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