Patent US3744757A successfully refreshed from Google Patents.
US3744757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle jack
Assignee: Individual
•
Filing: 1971-03-08
•
Granted: 1973-07-10
•
Expires: 1991-03-08
Abstract
Abstract A vehicle jack which includes a means for securing the jack to the vehicle, an adjustable support member, one end of which is pivotally connected to the vehicle, and a ground contact member movably secured to the opposite end of the support member and adapted for limited pivotal movement with respect to the support member.
Inventors
- 👤 B White
- 👤 J Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:48
CPC Classifications
B; B66; B66F; B66F13/00; B66F3/00; B66F3/005
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
112 words
A vehicle jack adapted for removable attachment to a vehicle comprising a support member, a first clevis pivotally connected to one end of said support member, a second clevis having a general U-shaped configuration pivotally connected to the opposite end of said support member with the bight portion thereof positioned with respect to the end and pivot of said support member in such a manner as to prevent the bottom of said clevis from describing an angle of less than about 72* or more than about 108* with respect to said support member when the bottom edge of said clevis is placed on the ground and said vehicle jack is in use.
Claim 2
Dependent Claim
112 words
A vehicle jack adapted for removable attachment to a vehicle comprising a support member, a first clevis pivotally connected to one end of said support member, a second clevis having a general U-shaped configuration pivotally connected to the opposite end of said support member with the bight portion thereof positioned with respect to the end and pivot of said support member in such a manner as to prevent the bottom of said clevis from describing an angle of less than about 72* or more than about 108* with respect to said support member when the bottom edge of said clevis is placed on the ground and said vehicle jack is in use.
Claim 3
Dependent Claim
40 words
The vehicle jack of claim 1 further characterized by stop means in cooperation with said second clevis and said support member to prevent said support member from describing an angle of greater than 90* with respect to said second clevis.
Claim 4
Dependent Claim
12 words
The vehicle jack of claim 1 wherein said support member is adjustable.
Claim 5
Dependent Claim
39 words
The vehicle jack of claim 1 wherein said support member further comprises first and second telescoping, concentric tubing provided with registering holes and pins, said pins adapted to traverse said holes to provide height adjustment of said vehicle jack.
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |