Patent US486210A successfully refreshed from Google Patents.
Patent US3412820A successfully refreshed from Google Patents.
US3412820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless track attachment for motorcycles
Assignee: GLEN L WACHHOLZ
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Filing: 1966-07-26
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Granted: 1968-11-26
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Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Glen L Wachholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:01
CPC Classifications
B; B62; B62M; B62M27/00; B62M27/02; B62K; B62K13/00; B62M2027/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A MOTOR DRIVEN WHEELED VEHICLE HAVING A REAR AXLE, A SINGLE REAR WHEEL ON SAID AXLE, AND A VEHICLE FRAME SUPPORTED BY SAID REAR AXLE ON EACH SIDE OF SAID REAR WHEEL, IN COMBINATION WITH A REAR PROPULSION ATTACHMENT TO ADAPT SAID VEHICLE FOR WINTER USE WITHOUT REMOVEAL OF SAID VEHICLE''S REAR WHEEL, SAID REAR PROPULSION ATTACHMENT COMPRISING A GENERALLY HORIZONTALLY DISPOSED PROPULSION ATTACHMENT FRAME, CONTINUOUS TRACK ASSEMBLIES MOUNTED OUTWARDLY OF SAID VEHICLE FRAME ON OPPOSITE SIDES OF SAID PROPULSION ATTACHMENT FRAME, MEANS FOR SIMULTANEOUSLY DRIVING EACH OF SAID CONTINUOUS TRACK ASSEMBLIES FROM SAID VEHICLE, AND DETACHABLE MEANS PROVIDING ROTATABLE ATTACHMENT OF SAID PROPULSION ATTACHMENT FRAME ABOUT THE END PORTIONS OF SAID VEHICLE''S REAR AXLE AND BEING POSITIONED SUFFICIENTLY ABOVE THE LOWERMOST PORTIONS OF SAID CONTINUOUS TRACK ASSEMBLIES TO ELVATE SAID VEHICLE REAR WHEEL ABOVE SAID LOWERMOST PORTIONS.
Claim 2
Dependent Claim
138 words
A MOTOR DRIVEN WHEELED VEHICLE HAVING A REAR AXLE, A SINGLE REAR WHEEL ON SAID AXLE, AND A VEHICLE FRAME SUPPORTED BY SAID REAR AXLE ON EACH SIDE OF SAID REAR WHEEL, IN COMBINATION WITH A REAR PROPULSION ATTACHMENT TO ADAPT SAID VEHICLE FOR WINTER USE WITHOUT REMOVEAL OF SAID VEHICLE''S REAR WHEEL, SAID REAR PROPULSION ATTACHMENT COMPRISING A GENERALLY HORIZONTALLY DISPOSED PROPULSION ATTACHMENT FRAME, CONTINUOUS TRACK ASSEMBLIES MOUNTED OUTWARDLY OF SAID VEHICLE FRAME ON OPPOSITE SIDES OF SAID PROPULSION ATTACHMENT FRAME, MEANS FOR SIMULTANEOUSLY DRIVING EACH OF SAID CONTINUOUS TRACK ASSEMBLIES FROM SAID VEHICLE, AND DETACHABLE MEANS PROVIDING ROTATABLE ATTACHMENT OF SAID PROPULSION ATTACHMENT FRAME ABOUT THE END PORTIONS OF SAID VEHICLE''S REAR AXLE AND BEING POSITIONED SUFFICIENTLY ABOVE THE LOWERMOST PORTIONS OF SAID CONTINUOUS TRACK ASSEMBLIES TO ELVATE SAID VEHICLE REAR WHEEL ABOVE SAID LOWERMOST PORTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |