Patent US3190675A successfully refreshed from Google Patents.
US3190675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide-rimmed, seatless unicycle
Assignee: Individual
•
Filing: 1963-06-28
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Granted: 1965-06-22
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Tang Chun-Yi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:22
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)
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US1333292A
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US1225181A
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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 |