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US3190675A Expired / Lapsed US ⏱️ 0.0 years remaining

Wide-rimmed, seatless unicycle

Assignee: Individual
•
Filing: 1963-06-28
•
Granted: 1965-06-22
•
Expires: 1983-06-28
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Abstract

No abstract record available.

Inventors

  • 👤 Tang Chun-Yi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:44
CPC Classifications
B; B62; B62K; B62K1/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 82 words
A WIDE-RIMMED UNICYCLE COMPRISING A WIDE, GENERALLY CYLINDRICALLY RIM AND SUBSTANTIALLY PARALLEL ENDS, THE DIMENSION OF SAID RIM BETWEEN THE EDGES THEREOF BEING AT LEAST ABOUT ONE-QUARTER THE DIAMETER OF SAID ENDS, SAID UNICYCLE FURTHER COMPRISING PEDAL MEANS ARRANGED OUTWARDLY OF SAID ENDS IN OPPOSITELY OFFSET RELATION TO THE ROTATIONAL CENTERS OF SAID ENDS, AND OPPOSITELY DIRECTED RIM INSET SECTORS OPERATING TO LATERALLY TILT THE DRUM SLIGHTLY WITH ONE EDGE OF SAID DETECTORS LYING SUBSTANTIALLY IN A PLANE INCLUDING SAID PEDAL MEANS.
Claim 2
Dependent Claim 82 words
A WIDE-RIMMED UNICYCLE COMPRISING A WIDE, GENERALLY CYLINDRICALLY RIM AND SUBSTANTIALLY PARALLEL ENDS, THE DIMENSION OF SAID RIM BETWEEN THE EDGES THEREOF BEING AT LEAST ABOUT ONE-QUARTER THE DIAMETER OF SAID ENDS, SAID UNICYCLE FURTHER COMPRISING PEDAL MEANS ARRANGED OUTWARDLY OF SAID ENDS IN OPPOSITELY OFFSET RELATION TO THE ROTATIONAL CENTERS OF SAID ENDS, AND OPPOSITELY DIRECTED RIM INSET SECTORS OPERATING TO LATERALLY TILT THE DRUM SLIGHTLY WITH ONE EDGE OF SAID DETECTORS LYING SUBSTANTIALLY IN A PLANE INCLUDING SAID PEDAL MEANS.

References Cited (Backward Citations)

US88683A Cited
US490391A Cited
US1333292A Cited
US1225181A Cited
US2920904A Cited
US2946625A Cited
US3107926A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-21 1968-12-21 1969-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-21 1972-12-21 1973-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-21 1976-12-21 1977-06-22 $7700.00 Window Closed / Lapsed

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