Patent US3331619A successfully refreshed from Google Patents.
US3331619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow bar
Assignee: Individual
•
Filing: 1966-11-21
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Granted: 1967-07-18
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Earl L Muelling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:01
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/14; B60D1/145; B60D1/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN A TOW BAR INCLUDING COUPLING MEANS FOR CONNECTING TO A BODY TO BE TOWED, THE BODY HAVING MEANS FOR CONNECTION TO A TOWING DEVICE, THE IMPROVED COUPLING MEANS COMPRISING: A TUBE RIGIDLY MOUNTED ON THE TOW BAR AND HAVING ITS LONGITUDINAL AXIS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF THE TOW BAR; A FIRST MEMBER RIGIDLY MOUNTED ON SAID FIRST TUBE AND EXTENDING PERPENDICULAR TO SAID FIRST TUBE LONGITUDINAL AXIS; A SECOND MEMBER HAVING FIRST AND SECOND LEGS PERPENDICULAR TO ONE ANOTHER, SAID FIRST LEG SLIDABLY MOUNTED IN SAID TUBE, AND SAID SECOND LEG EXTENDING PARALLEL TO SAID FIRST MEMBER IN SPACED RELATION; SAID FIRST MEMBER AND SAID SECOND LEG EACH DEFINING AN APERTURE, SAID APERTURES BEING IN AXIAL ALIGNMENT; ENGAGING MEANS, SAID ENGAGING MEANS ADAPTED TO BE INSERTED INTO SAID APERTURES AND TO ENGAGE THE MEANS FOR CONNECTION TO A TOWING DEVICE ON THE BODY TO BE TOWED, TO COUPLE THE COUPLING MEANS TO THE BODY; AND LOCK MEANS FOR FIRMLY HOLDING SAID SLIDABLY MOUNTED FIRST LEG WITHIN SAID TUBE.
Claim 2
Dependent Claim
172 words
IN A TOW BAR INCLUDING COUPLING MEANS FOR CONNECTING TO A BODY TO BE TOWED, THE BODY HAVING MEANS FOR CONNECTION TO A TOWING DEVICE, THE IMPROVED COUPLING MEANS COMPRISING: A TUBE RIGIDLY MOUNTED ON THE TOW BAR AND HAVING ITS LONGITUDINAL AXIS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF THE TOW BAR; A FIRST MEMBER RIGIDLY MOUNTED ON SAID FIRST TUBE AND EXTENDING PERPENDICULAR TO SAID FIRST TUBE LONGITUDINAL AXIS; A SECOND MEMBER HAVING FIRST AND SECOND LEGS PERPENDICULAR TO ONE ANOTHER, SAID FIRST LEG SLIDABLY MOUNTED IN SAID TUBE, AND SAID SECOND LEG EXTENDING PARALLEL TO SAID FIRST MEMBER IN SPACED RELATION; SAID FIRST MEMBER AND SAID SECOND LEG EACH DEFINING AN APERTURE, SAID APERTURES BEING IN AXIAL ALIGNMENT; ENGAGING MEANS, SAID ENGAGING MEANS ADAPTED TO BE INSERTED INTO SAID APERTURES AND TO ENGAGE THE MEANS FOR CONNECTION TO A TOWING DEVICE ON THE BODY TO BE TOWED, TO COUPLE THE COUPLING MEANS TO THE BODY; AND LOCK MEANS FOR FIRMLY HOLDING SAID SLIDABLY MOUNTED FIRST LEG WITHIN SAID TUBE.
References Cited (Backward Citations)
US1880075A
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US2287955A
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US2846018A
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US2943867A
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US3004773A
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US3014738A
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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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |