PTO Wrapper PDF
Dossier Espace Google
Patent
   D269538
Priority
Mar 10 1981
Filed
Mar 10 1981
Issued
Jun 28 1983
Expiry
Jun 28 1997
Inventors
Sinfield, …
Assg.orig
Assg.curr
Entity
unknown
Referenced by
4
References
2
Maint.:
n/a
The ornamental design for a playground see-saw, as shown and described.

FIG. 1 is a perspective view of a playground see-saw showing our new design; and

FIG. 2 is an elevational view thereof.
INVENTORS:

Sinfield, Roland H., Grose, A. Neil

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7220184, Jul 05 2005 Adjustable seesaw
D768792, Apr 14 2015 Johnson Health Tech Co., Ltd.; Johnny, Goldberg Elevated exercise platform
D768793, Apr 14 2015 Johnson Health Tech Co., Ltd.; Johnny, Goldberg Elevated exercise platform
D940265, Oct 28 2019 Pure Global Brands, Inc. Seesaw
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1552841,
58506,
ASSIGNMENT RECORDS    Assignment records on the USPTO
Executed onAssignorAssigneeConveyanceFrameReelDoc
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule