US3739478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering wheel mounted clipboard
Assignee: Individual
•
Filing: 1972-02-08
•
Granted: 1973-06-19
•
Expires: 1992-02-08
Abstract
Abstract A clipboard for detachable connection to the steering wheel of an automobile to provide a firm base for the preparation of field sketches and notes in a motor vehicle. The clipboard includes a circular base plate having adjustable spring clips secured thereto for snapping over a steering wheel. A circular board is secured to the base plate by means of an axial pivot pin to permit the board to rotate on the plate. A spring pressed clamp is provided on the edge of the board for securing papers to the board. An optional feature provides a protractor on the board for use of an engineer in making field sketches.
Inventors
- 👤 R Elenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:57
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/001; B60N3/002; B60N3/005; B43; B43L; B43L3/00; B43L3/008
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
119 words
A clipboard for detachable connection to the steering wheel of an automobile, comprising a base plate, a plurality of spring clips, means securing said spring clips to said base plate for radial adjustment thereon, a board, means pivotally securing said board to said plate for rotational adjustment about an axis perpendicular to said board and said plate, and means for detachably securing paper to said board, said means for securing said spring clips to said plate comprising a plurality of circumferentially equi-spaced radially extending brackets secured to said plate with each of said brackets having a slot extending radially with respect to said plate and a bolt slidably mounted in said slot and detachably secured to said spring clip.
Claim 2
Dependent Claim
119 words
A clipboard for detachable connection to the steering wheel of an automobile, comprising a base plate, a plurality of spring clips, means securing said spring clips to said base plate for radial adjustment thereon, a board, means pivotally securing said board to said plate for rotational adjustment about an axis perpendicular to said board and said plate, and means for detachably securing paper to said board, said means for securing said spring clips to said plate comprising a plurality of circumferentially equi-spaced radially extending brackets secured to said plate with each of said brackets having a slot extending radially with respect to said plate and a bolt slidably mounted in said slot and detachably secured to said spring clip.
Claim 3
Dependent Claim
28 words
A device as claimed in claim 1 wherein the means for securing papers to said board comprises a spring hinged clamp secured to the edge of said board.
Claim 4
Dependent Claim
22 words
A device as claimed in claim 1 wherein said base plate and said board are circular and have substantially the same diameter.
Claim 5
Dependent Claim
33 words
A device as claimed in claim 1 wherein said board is formed of transparent plastic and a protractor is printed on the upper surface of said plate to be visible through said board.
References Cited (Backward Citations)
US397147A
Cited
US2150709A
Cited
US2407893A
Cited
US2532537A
Cited
US3271866A
Cited
GB1122364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |