Patent US3189127A successfully refreshed from Google Patents.
US3189127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal wheel chock
Assignee: Individual
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Filing: 1963-07-30
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Granted: 1965-06-15
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Karnow Paul
- 👤 Blanchard S Hutchins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:02
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/12; B64F1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A SYMMETRICAL WHEEL CHOCK ASSEMBLY FOR RENDERING AN AIRCRAFT WHEEL NONROTATIONAL, COMPRISING: A PLURALITY OF SPACED, PARALLEL, ELONGATED MEMBERS EACH IN CROSS SECTION DEFINING A HEXAGON HAVING A RELATIVELY WIDE SIDE SURFACE AND A SPACED PARALLEL RELATIVELY NARROWER SIDE SURFACE, SPACED PARALLEL TOP AND BOTTOM SURFACES EACH EXTENDING FROM AN OPPOSITE SIDE EDGE OF SAID WIDE SIDE SURFACE, INCLINED SURFACES ON EACH OF SAID MEMBERS, EACH JOINING SAID TOP AND BOTTOM SURFACES WITH A RESPECTIVE OPPOSITE EDGE OF SAID NARROWER SIDE SURFACE, A BAR MEANS CONNECTED TO SAID NARROWER SIDE SURFACES INTERMEDIATE THE INCLINED SURFACES TO PLACE SAID RELATIVELY NARROW SIDES IN INTERFACING AND CONFRONTING RELATIONSHIP, AND ONE OF SAID ELONGATED MEMBER BEING FIXED TO SAID BAR MEANS AND THE OTHER OF SAID ELONGATED MEMBERS SELECTIVELY MOVABLE WITH RESPECT TO SAID BAR MEANS WHEREBY AN ADJUSTABLE AND SYMMETRICAL WHEEL CHOCK ASSEMBLY IS FORMED WHICH IS SPEEDILY AND EFFICIENTLY OPERABLE.
Claim 2
Dependent Claim
149 words
A SYMMETRICAL WHEEL CHOCK ASSEMBLY FOR RENDERING AN AIRCRAFT WHEEL NONROTATIONAL, COMPRISING: A PLURALITY OF SPACED, PARALLEL, ELONGATED MEMBERS EACH IN CROSS SECTION DEFINING A HEXAGON HAVING A RELATIVELY WIDE SIDE SURFACE AND A SPACED PARALLEL RELATIVELY NARROWER SIDE SURFACE, SPACED PARALLEL TOP AND BOTTOM SURFACES EACH EXTENDING FROM AN OPPOSITE SIDE EDGE OF SAID WIDE SIDE SURFACE, INCLINED SURFACES ON EACH OF SAID MEMBERS, EACH JOINING SAID TOP AND BOTTOM SURFACES WITH A RESPECTIVE OPPOSITE EDGE OF SAID NARROWER SIDE SURFACE, A BAR MEANS CONNECTED TO SAID NARROWER SIDE SURFACES INTERMEDIATE THE INCLINED SURFACES TO PLACE SAID RELATIVELY NARROW SIDES IN INTERFACING AND CONFRONTING RELATIONSHIP, AND ONE OF SAID ELONGATED MEMBER BEING FIXED TO SAID BAR MEANS AND THE OTHER OF SAID ELONGATED MEMBERS SELECTIVELY MOVABLE WITH RESPECT TO SAID BAR MEANS WHEREBY AN ADJUSTABLE AND SYMMETRICAL WHEEL CHOCK ASSEMBLY IS FORMED WHICH IS SPEEDILY AND EFFICIENTLY OPERABLE.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |