Room air filter
Description
FIG. 1 is a top, front perspective view of a room air filter, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a side elevational view thereof, the opposite side being a mirror image of that shown; and,
FIG. 6 is a rear elevational view thereof.
The conventional electrical cord is shown fragmentarily in FIGS. 2, 4, 5, and 6 for ease of illustration.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| D105274 | July 1937 | Fuerst |
| D148226 | December 1947 | Galehouse |
| D257898 | January 13, 1981 | Schoze et al. |
| D316459 | April 23, 1991 | Kira |
| D319552 | September 3, 1991 | Christensen |
| 3156383 | November 1964 | Melli |
| 3464546 | September 1969 | Thomka |
| 3853519 | December 1974 | York, Jr. |
| 4075106 | February 21, 1978 | Yamazaki |
| 4178346 | December 11, 1979 | Allen et al. |
| 4628970 | December 16, 1986 | Vasella |
| 1169363 | June 1984 | CAX |
- Sporty's Tool Shop Cat., .COPYRGT.1983, p. 39, Well Light Assembly, bottom right side of page. Devine Design Adv. Cat., .COPYRGT.1986, p. 10, Light A, lower left side of page.
Patent History
Patent number: D328946
Type: Grant
Filed: Dec 6, 1990
Date of Patent: Aug 25, 1992
Inventor: George S. Havrilla (Bushkill, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Richard S. Roberts
Application Number: 7/624,279
Type: Grant
Filed: Dec 6, 1990
Date of Patent: Aug 25, 1992
Inventor: George S. Havrilla (Bushkill, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Richard S. Roberts
Application Number: 7/624,279
Classifications