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Patent
   D242642
Priority
Sep 22 1975
Filed
Sep 22 1975
Issued
Dec 07 1976
Expiry
Dec 07 1990
Inventors
Henning, A…
Assg.orig
Shakespear…
Assg.curr
Shakespear…
Entity
unknown
Referenced by
4
References
2
Maint.:
n/a
The ornamental design for a back-supported underwater propulsion device, as shown and described.

FIG. 1 is a rear perspective view of a back-supported underwater propulsion device embodying my new design.

FIG. 2 is a side elevational view of the remote side as viewed in FIG. 1.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Henning, Andrew R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D323808, Aug 31 1990 Underwater vehicle
D416225, Jan 22 1999 Inuktun Services Ltd. Submersible vehicle
D828279, May 19 2017 Boya Gongdao (Beijing) Robot Technology Co., Ltd. Acoustic remote controlled intelligent underwater robot
D945350, Mar 18 2020 Qingdao Qiyuan Cxinkeji Co., Ltd. Underwater robot
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3329118,
205643,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 22 1975Shakespeare Company(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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