Perpetual calendar
Description
FIG. 1 is a top perspective view of a perpetual calendar showing my new design;
FIG. 2 is a top perspective view thereof, shown with the card portion partially displaced for clarity of illustration only;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 3, with the sectional dimensions shown on an enlarged scale; and
FIG. 6 is a front elevational view of a second embodiment of FIG. 1, the only difference residing in the notched features.
Referenced Cited
U.S. Patent Documents
866172 | September 1907 | Westphall |
1266610 | May 1918 | Moerk |
2051264 | August 1936 | Maddock |
2335713 | November 1943 | Vogel |
3984107 | October 5, 1976 | Nelson |
Patent History
Patent number: D323347
Type: Grant
Filed: Jan 4, 1990
Date of Patent: Jan 21, 1992
Inventor: Marcelo Vlassich (Wilde, Prov. Buenos Aires)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Pamela Schmidt
Attorney: Anthony A. O'Brien
Application Number: 7/460,730
Type: Grant
Filed: Jan 4, 1990
Date of Patent: Jan 21, 1992
Inventor: Marcelo Vlassich (Wilde, Prov. Buenos Aires)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Pamela Schmidt
Attorney: Anthony A. O'Brien
Application Number: 7/460,730
Classifications
Current U.S. Class:
Perpetual (D19/25)