Patent US3848547A successfully refreshed from Google Patents.
US3848547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ballistic clip board
Assignee: Safariland Leather Products
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Filing: 1972-03-13
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Granted: 1974-11-19
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Expires: 1992-03-13
Abstract
Abstract There is provided a ballistic clipboard having a transparent zone at least above the clip for visual observation by the holder of the clipboard, the clipboard having low shrinkage characteristics and a tensile yield strength of at least 9,000 psi and a tensile break strength of at least 8,000 psi. The preferred material of construction is virgin polycarbonate and in the preferred construction the clipboard is provided with a handle to aid in holding the clipboard and to provide a means for using the clipboard as a defensive weapon.
Inventors
- 👤 R Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:41
CPC Classifications
B; B42; B42F; B42F9/00; B42F9/001; F; F41; F41H; F41H5/00; F41H5/06; F41H5/08
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
175 words
A ballistic clip board which comprises: a. a board member having a tensile yield strength of at least 9,000 psi and a tensile break strength of at least 8,000 psi; b. clip means adapted for holding papers, said clip means positioned within the periphery of said board member and below the upper edge of said board member and to at least provide a transparent zone between said clip means and said upper edge of said board member and providing a protective area sufficient to shield the forehead of an average size man while providing a zone of observation between said clip and the upper edge of said board member, said board member having a length and width sufficient to protect the vital organs of an average man when in a crouched position, said board member being provided with a handle formed of an aperture and contained within the periphery of said board member, adjacent to and along a length thereof, said handle positioned between said clip means and said lower edge of said board member.
Claim 2
Dependent Claim
175 words
A ballistic clip board which comprises: a. a board member having a tensile yield strength of at least 9,000 psi and a tensile break strength of at least 8,000 psi; b. clip means adapted for holding papers, said clip means positioned within the periphery of said board member and below the upper edge of said board member and to at least provide a transparent zone between said clip means and said upper edge of said board member and providing a protective area sufficient to shield the forehead of an average size man while providing a zone of observation between said clip and the upper edge of said board member, said board member having a length and width sufficient to protect the vital organs of an average man when in a crouched position, said board member being provided with a handle formed of an aperture and contained within the periphery of said board member, adjacent to and along a length thereof, said handle positioned between said clip means and said lower edge of said board member.
Claim 3
Dependent Claim
47 words
A ballistic clipboard as claimed in claim 1 in which the clip is positioned from about 5 to about 6 inches below the upper edge of said board member and said board member having a width of about 12 inches and a length of about 18 inches.
Claim 4
Dependent Claim
26 words
A ballistic clipboard as claimed in claim 2 in which said board member is constructed of virgin polycarbonate and has a thickness of about 0.375 inch.
Claim 5
Dependent Claim
15 words
A ballistic clipboard as claimed in claim 1 in which the clip means is reversible.
Claim 6
Dependent Claim
16 words
A ballistic clipboard as claimed in claim 1 in which the entire board member is transparent.
Claim 7
Dependent Claim
26 words
A ballistic clipboard as claimed in claim 5 in which said board member is constructed of virgin polycarbonate and has a thickness of about 0.375 inch.
Claim 8
Dependent Claim
42 words
A ballistic clipboard as claimed in claim 1 which includes shield means to papers held by said clip means during inclement weather conditions, said shield means adapted to pivot from the front face of said board member to the rear face thereof.
Claim 9
Dependent Claim
34 words
A ballistic clipboard as claimed in claim 7 in which the shield means contacts the area between said upper edge board member and said clip means as is transparent at least in that area.
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |