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US3174302A Expired / Lapsed US ⏱️ 0.0 years remaining

Gear coupling

Assignee: Midland Ross Corp
•
Filing: 1962-07-27
•
Granted: 1965-03-23
•
Expires: 1982-07-27
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony W Pomper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 08:37
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 91 words
A GEAR COUPLING COMPRISING, AN INTERNALLY TOOTHED SLEEVE AND A PAIR OF EXTERNALLY TOOTHED HUB MEMBERS ADAPTED TO BE POSITIONED THEREIN IN APPOSITION AND IN INTERMESHING TOOTH CONTACT, THE SLEEVE MEMBER HAVING FLATSIDED TEETH AND EXTENDING LENGTHWISE, THE HUB MEMBERS HAVING INVOLUTE CUT TEETH, ALL TEETH BEING SO CUT AS TO HAVE A PRESSURE ANGLE OF ABOUT 40* AT ABOUT THE PITCH CIRCLE, THE ANGLE BEING THE SMALLER ANGLE FORMED BY THE INTERSECTION, AT THE POINT OF TANGENCY, OF THE LINE TANGENT TO THE PITCH CIRCLE AND THE LINE OF ACTION.
Claim 2
Dependent Claim 91 words
A GEAR COUPLING COMPRISING, AN INTERNALLY TOOTHED SLEEVE AND A PAIR OF EXTERNALLY TOOTHED HUB MEMBERS ADAPTED TO BE POSITIONED THEREIN IN APPOSITION AND IN INTERMESHING TOOTH CONTACT, THE SLEEVE MEMBER HAVING FLATSIDED TEETH AND EXTENDING LENGTHWISE, THE HUB MEMBERS HAVING INVOLUTE CUT TEETH, ALL TEETH BEING SO CUT AS TO HAVE A PRESSURE ANGLE OF ABOUT 40* AT ABOUT THE PITCH CIRCLE, THE ANGLE BEING THE SMALLER ANGLE FORMED BY THE INTERSECTION, AT THE POINT OF TANGENCY, OF THE LINE TANGENT TO THE PITCH CIRCLE AND THE LINE OF ACTION.

References Cited (Backward Citations)

US1891285A Cited
US2687025A Cited
US2510414A Cited
US2682760A Cited
US2841966A Cited
US2922294A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-22 1968-09-21 1969-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-22 1972-09-21 1973-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-22 1976-09-21 1977-03-23 $7700.00 Window Closed / Lapsed

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