Patent US3298713A successfully refreshed from Google Patents.
US3298713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension adapter and method for lengthening the wheel base of a motorcycle
Assignee: Individual
•
Filing: 1964-11-06
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Granted: 1967-01-17
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Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Plain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:59
CPC Classifications
B; B62; B62K; B62K11/00; B62K11/02; B62K11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A WHEEL BASE EXTENDER FOR A MOTORCYCLE WHICH HAS A FRAME, A FRONT WHEEL, A REAR WHEEL, AND MEANS FOR SUSPENDING THE REAR WHEEL FROM SAID FRAME INCLUDING A FORKED ARM HAVING PIVOT CONNECTION MEANS AT ITS FRONT END FOR ATTACHMENT TO SAID FRAME; SAID EXTENDER COMPRISING A LINKING STRUCTURE INSERTABLE BETWEEN SAID FRAME AND SAID FORKED ARM FOR LENGTHENING THE WHEEL BASE OF SAID MOTORCYCLE AND HAVING MEANS AT ONE END THEREOF FOR RIGID CONNECTION TO SAID MOTORCYCLE FRAME TO PROVIDE A LONGITUDINAL REARWARD EXTENSION THEREOF, AND MEANS AT THE OPPOSITE END OF SAID STRUCTURE FOR PIVOTAL CONNECTION TO THE FRONT END OF SAID ARM.
Claim 2
Dependent Claim
106 words
A WHEEL BASE EXTENDER FOR A MOTORCYCLE WHICH HAS A FRAME, A FRONT WHEEL, A REAR WHEEL, AND MEANS FOR SUSPENDING THE REAR WHEEL FROM SAID FRAME INCLUDING A FORKED ARM HAVING PIVOT CONNECTION MEANS AT ITS FRONT END FOR ATTACHMENT TO SAID FRAME; SAID EXTENDER COMPRISING A LINKING STRUCTURE INSERTABLE BETWEEN SAID FRAME AND SAID FORKED ARM FOR LENGTHENING THE WHEEL BASE OF SAID MOTORCYCLE AND HAVING MEANS AT ONE END THEREOF FOR RIGID CONNECTION TO SAID MOTORCYCLE FRAME TO PROVIDE A LONGITUDINAL REARWARD EXTENSION THEREOF, AND MEANS AT THE OPPOSITE END OF SAID STRUCTURE FOR PIVOTAL CONNECTION TO THE FRONT END OF SAID ARM.
References Cited (Backward Citations)
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Cited
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US1488537A
Cited
GB270394A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |