Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Push Key

Patent 31320

Inventor: Johnson, Frank G.

View on USPTO / Google Patents ↗
Patent # 31320
Issue Date February 5, 1861
Inventor Johnson, Frank G.
Type Push Key

Patent Drawings

Patent 31320 drawing 1 Drawing 1 Patent 31320 drawing 2 Drawing 2

Patent Notes

This padlock was manufactured by Johnson's Rotary Lock Co. | Classification: 70/154

Patent Details

Patent Number 31320
Issue Date February 5, 1861
Inventor Johnson, Frank G.
Patent Type Push Key
External Link https://patents.google.com/patent/US31320 ↗

Padlocks Using This Patent

11 listings
"JOHNSON BOHANNAN ROTARY" - Drawer Lock
#7551
"JOHNSON BOHANNAN ROTARY" - Drawer Lock
Johnson's Rotary Lock Co. Frank G. Johnson . Wilson Bohannan and Frank G. Johnson . More
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"JOHNSON ROTARY" - Drawer Lock
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"JOHNSON ROTARY" - Drawer Lock
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"JOHNSON ROTARY" - Mortise Lock
#8550
"JOHNSON ROTARY" - Mortise Lock
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"JOHNSON'S ROTARY"
#5677
"JOHNSON'S ROTARY"
Johnson's Rotary Lock Co. Frank G. Johnson , Wilson Bohannan and Frank G. Johnson , Ward McLean
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"JOHNSON'S ROTARY"
#6872
"JOHNSON'S ROTARY"
Johnson's Rotary Lock Co. Frank G. Johnson
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"JOHNSON'S ROTARY"
#6769
"JOHNSON'S ROTARY"
Johnson's Rotary Lock Co. Frank G. Johnson
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"JOHNSON'S ROTARY"
#5678
"JOHNSON'S ROTARY"
Johnson's Rotary Lock Co. Frank G. Johnson , Wilson Bohannan and Frank G. Johnson
→
"JOHNSON'S ROTARY"
#6372
"JOHNSON'S ROTARY"
Johnson's Rotary Lock Co. Frank G. Johnson , Wilson Bohannan and Frank G. Johnson
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"JOHNSON'S ROTARY"
#6327
"JOHNSON'S ROTARY"
Johnson's Rotary Lock Co. Frank G. Johnson
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"U. S. CUSTOMS DEPT" - "GTRR". 3.27" high excluding clevis x 3.8" high including
#8158
"U. S. CUSTOMS DEPT" - "GTRR". 3.27" high excluding clevis x 3.8" high including
Johnson's Rotary Lock Co. Frank G. Johnson , Wilson Bohannan and Frank G. Johnson , Ward McLean
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"U. S. CUSTOMS DEPT". 3 3/4" high x 2 3/8" wide x 3/4" deep. Brass body. Brass s
#1915
"U. S. CUSTOMS DEPT". 3 3/4" high x 2 3/8" wide x 3/4" deep. Brass body. Brass s
Johnson's Rotary Lock Co. Frank G. Johnson , Wilson Bohannan and Frank G. Johnson , Ward McLean
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