USD140664S - Combined drilling and tapping machine - Google Patents
Combined drilling and tapping machine Download PDFInfo
- Publication number
- USD140664S USD140664S US D140664 S USD140664 S US D140664S
- Authority
- US
- United States
- Prior art keywords
- tapping machine
- combined drilling
- drilling
- combined
- machine
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title description 10
- 238000010079 rubber tapping Methods 0.000 title description 6
- 229920003245 polyoctenamer Polymers 0.000 description 2
Images
Description
March 27, 1945. L. LECKINGER 140,664
COMBINED DRILLING AND TAPPING MACHINE Filed March 29, 1944 I wwjif I HHII M INVEN TOR.
W" L e0 7? L L 66107796)" BY Patented Mar. 27, 1945 Des. 146,664
UNITED 'STATES PATENT OFFICE DESIGN FOR A COIWBINED DRILLING AND TAPPIN G MACHINE Leon L. Leckinger, Los Angeles, Calif.
Application March 29, 1944, Serial No. 113,063
Term of patent 14 years (Cl. D631) bined drilling and tapping machine, showing my new design.
Figure 2 is an end elevational view thereof,
Figure 3 is a'plan view thereof.
The other side, not shown, is substantially like the side shown and the other end, not shown, is substantially plain.
I claim:
The ornamental design for a combined drilling and tapping machine, substantially as shown and described,
LEON L. LECKINGER.
Family
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