Westclox Four Inch Movement Patent Form Variations

Next-->

The form of the patent stamping on the back of the case.

Patent Form 0: 1885 Stahlberg:

Has Charles Stahlberg's name and the 1885 patent written straight.

CHAS. STAHLBERG
PATENT
SEPT. 22, 1885
PATENTS PENDING

"PATENTED" and the 1885 patent written straight.

PATENTED
SEPT. 22. 1885

The 1885 patent is curved and "OTHER PAT. APPLD. FOR" written straight.

PAT. SEP. 22. 85
OTHER PAT. APPLD. FOR

1885 patent in circular form.

PAT'D SEPT. 22. 85
PATENTS PDG.

1902 patent in circular form.

1902 and 1906 patents in circular form.

1902, 1906, 1907 patents in circular form.

1902, 1906, 1907 and 1908 patents in circular form.

1902, 1906 and 1908 patents in circular form.

1925 patent in circular form.

Next-->