Calculator
Wong April 4, 1
U.S. patent number D300,539 [Application Number 07/083,414] was granted by the patent office on 1989-04-04 for calculator. This patent grant is currently assigned to Joseph Leeb Enterprises. Invention is credited to Robert Wong.
| United States Patent | D300,539 |
| Wong | April 4, 1989 |
Calculator
Claims
The ornamental design for a calculator, as shown and described.
| Inventors: | Wong; Robert (Kowloon, HK) |
|---|---|
| Assignee: | Joseph Leeb Enterprises (Upper
Saddle River, NJ) |
| Appl. No.: | 07/083,414 |
| Filed: | August 7, 1987 |
| Current U.S. Class: | D18/7; D18/2; D19/64 |
| Field of Search: | ;D18/2,6-12 ;D10/46.1 ;200/5A ;364/706-710 ;D19/62,64 ;434/228,365 |
References Cited [Referenced By]
U.S. Patent Documents
| 4154007 | May 1979 | Judd |
| 4468203 | August 1984 | Gimmestad et al. |
| 4711992 | December 1987 | Sekine |
Other References
|
Catalog 1--Smart Products by Polyflame Concepts, ASI #78897 (1987), pp. 1,3. . Product identified in Jan. 1987 Distributor Price List (also enclosed). . Catalog 2--1987 The Catalog, cover and p. B4 (both sides). . Catalog 3--1988 Tagmaster Advertising Specialties Showcase, cover and p. 5. . Catalog 4--Enterprex Int'l Corp. promotional sheet (undated) Possibly related product identified in price list, p. 11, dated 12/31/86. . HFD-Retailing Home Furnishing, 1/7/85, p. 75--Panasonic Solar Calculator w/transparent Keyboard.. |
Primary Examiner: Zarfas; Louis S.
Attorney, Agent or Firm: Amster, Rothstein & Ebenstein
Description
FIG. 1 is a top plan view of a calculator showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a left side elevational view, the right side being a mirror image;
FIG. 4 is a rear elevational view; and
FIG. 5 is a bottom plan view.
Both the keyboard and display portions of the calculator are transparent throughout the thickness of the calculator.
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