USD331105SExpiredUtility

Combined guiding support and air swirl inducing unit for a burner nozzle and electrode subassembly unit of a waste oil burner

42
Assignee: SHENANDOAH MFG CO INCPriority: Oct 10, 1990Filed: Oct 10, 1990Granted: Nov 17, 1992
Est. expiryOct 10, 2010(expired)· nominal 20-yr term from priority
Inventors:Glenn BenderWilliam H. Johnson
42
PatentIndex Score
5
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined guiding support and air swirl inducing unit for a burner nozzle and electrode subassembly unit of a waste oil burner, as shown.

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.