TREA

Parabolic electric heater

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Information

  • Patent Grant
  • D312684
  • Patent Number
    D312,684
  • Date Filed
    Friday, October 7, 1988
    36 years ago
  • Date Issued
    Tuesday, December 4, 1990
    34 years ago
  • US Classifications
    Field of Search
    • US
    • D23 332
    • D23 335
    • D23 336
    • D23 337
    • D23 382
    • D23 381
    • 416 247 R
    • 219 339
    • 219 342
    • 219 347
    • 219 348
    • 219 368
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a parabolic electric heater, as shown and described.
US Referenced Citations (49)
Number Name Date Kind
D45317 Warner Feb 1914
D51043 Brown Jul 1917
D51253 Brown Sep 1917
D51525 Falkenberg Nov 1917
D53916 Kahn Oct 1919
D54520 Ledig Feb 1920
D54635 Lamb Mar 1920
D54889 Brown Apr 1920
D60152 Ledig Jan 1922
D60968 Smith et al. May 1922
D64815 Rutenber Jun 1924
D65046 Barnes Jul 1924
D65471 Graff Aug 1924
D66523 Wolter Jan 1925
D68418 Barnes Oct 1925
D84389 Ajax Jun 1931
D145544 Swartzbaugh Nov 1945
D147417 Palma, Jr. Sep 1947
D152841 Thompson et al. Feb 1949
D157659 Chapman Mar 1950
D159008 Seil et al. Jun 1950
D191384 Hauser Sep 1961
D276364 Sibert Nov 1984
D288473 Schmidt et al. Feb 1987
D300353 Yurkovic Mar 1989
1462380 Richardson Jul 1923
1526352 Lightfoot et al. Feb 1925
1540007 Homeyer Jun 1925
1614308 Lamb Jan 1927
1665941 Van der Meersch Apr 1928
1671378 Pitt May 1928
1673296 McManus Jun 1928
1677281 Gilbert Jul 1928
1697606 Maxson Jan 1929
1697607 Maxson Jan 1929
1709052 Anderson Apr 1929
1712001 Gilbert May 1929
1727983 Jermon Sep 1929
1743566 Packeritz Jan 1930
1829303 Schaber Oct 1931
1919558 Johnson Jul 1933
2231070 Harrison Feb 1941
2256049 Gallup Sep 1941
2512661 Huck Jun 1950
2528774 Oberholtz et al. Nov 1950
2631217 Aufiero Mar 1953
3446429 Suzuki et al. May 1969
3540429 Varberg et al. Nov 1970
3963382 Patton Jun 1976
Non-Patent Literature Citations (3)
Entry
Home Furnishings Daily, 8/5/65, p. 26, Reflector Heater, bottom, middle side of page.
Photos "1 & 2", Chill Chaser, Mfg. by Manning-Bowman of Bonneville, MO, Nov. 1955.
Photos "3-11", White Cross, producted prior to 10/7/88 by National Stamping and Electric Works of Chicago, Ill.