Plastic spool for thread or the like
Latest The Risdon Manufacturing Company Patents:
Description
FIG. 1 is a perspective view of a plastic spool for thread or the like showing my new design;
FIG. 2 is a side elevation thereof; and
FIGS. 3 and 4 are end views of opposite ends of the spool.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D231898 | June 1974 | Saxen |
D240192 | June 1976 | Balmer |
1353761 | September 1920 | Knoche |
3099415 | July 1963 | Matsuura |
3970267 | July 20, 1976 | Sheetz |
275,387 | May 1951 | CH |
Patent History
Patent number: D244808
Type: Grant
Filed: Dec 15, 1975
Date of Patent: Jun 28, 1977
Assignee: The Risdon Manufacturing Company (Naugatuck, CT)
Inventor: Ernest F. Ubermuth (Watertown, CT)
Primary Examiner: Winifred E. Herrmann
Attorney: Merrill F. Steward
Application Number: 5/640,544
Type: Grant
Filed: Dec 15, 1975
Date of Patent: Jun 28, 1977
Assignee: The Risdon Manufacturing Company (Naugatuck, CT)
Inventor: Ernest F. Ubermuth (Watertown, CT)
Primary Examiner: Winifred E. Herrmann
Attorney: Merrill F. Steward
Application Number: 5/640,544
Classifications
Current U.S. Class:
D 3/19A
International Classification: D1506;
International Classification: D1506;