US3907072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chock-lock block
Assignee: Lawrence Peska Associates Inc
•
Filing: 1974-08-22
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Granted: 1975-09-23
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Expires: 1994-08-22
Abstract
Abstract A chock block has a pair of arms for engaging a tire, one of the arms being adjustable so that any size tire can be engaged. This arm is lockable, thereby making theft of the transport difficult.
Inventors
- 👤 Kenneth A Shafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:38
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/09; B60T; B60T3/00; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5836; Y10T70/5841
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
62 words
A device for immobilizing a wheeled transport comprising a hollow wheel chock, a first arm means mounted on said chock for engaging said wheel, a second arm means mounted on said chock for engaging said wheel, and means within said chock for locking said second arm means into engaging position with said wheel; whereby said chock protects said locking means from tampering.
Claim 2
Independent Claim
62 words
A device for immobilizing a wheeled transport comprising a hollow wheel chock, a first arm means mounted on said chock for engaging said wheel, a second arm means mounted on said chock for engaging said wheel, and means within said chock for locking said second arm means into engaging position with said wheel; whereby said chock protects said locking means from tampering.
Claim 3
Dependent Claim
26 words
A device as claimed in claim 1 wherein said chock comprises an arcuate Surface for engaging said wheel and a flat surface for engaging the road.
Claim 4
Dependent Claim
25 words
A device as claimed in claim 1 wherein said second arm means is adjustably mounted on said chock, whereby different sized wheels can be engaged.
Claim 5
Dependent Claim
16 words
A device as claimed in claim 1 wherein said locking means comprises a key operated lock.
Claim 6
Dependent Claim
15 words
A device as claimed in claim 1 wherein both of said arm means are U-shaped.
Claim 7
Dependent Claim
29 words
A device as claimed in claim 1 wherein said second arm means comprises a rachet portion and said locking means comprises a pawl means for engaging said rachet portion.
Claim 8
Dependent Claim
14 words
A device as claimed in claim 1 wherein both of said arms comprise metal.
Claim 9
Dependent Claim
12 words
A device as claimed in claim 1 wherein said block comprises metal.
Claim 10
Dependent Claim
13 words
A device as claimed in claim 4 wherein said lock is tamper proof.
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) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |