Patent US3680861A successfully refreshed from Google Patents.
US3680861A
Expired / Lapsed
US
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Football blocking device
Assignee: JOSEPH P SCHMIDT
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Filing: 1970-10-05
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Granted: 1972-08-01
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Expires: 1990-10-05
Abstract
Abstract A football blocking device comprising a resilient core of organic polymeric material having front and rear faces with a recess in the front face thereof. A plastic bag surrounds the core and is stretched tautly over the recess. The core includes a plurality of exhaust passages extending from the bottom of the recess to the rear face and has handles for holding and moving the blocking device. Additionally, plastic reinforcing tubes are completely embedded within and filled with the organic polymeric material of the core.
Inventors
- 👤 Joseph P Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:58
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/34; Y; Y10; Y10S; Y10S273/00; Y10S273/08
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
36 words
A device as set forth in claim 1 wherein said core has at least one exhaust passage extending from the bottom of said recess to said rear face, said passage being completely surrounded by said core.
Claim 2
Dependent Claim
17 words
A device as set forth in claim 2 wherein said core is made of organic polymeric material.
Claim 3
Dependent Claim
18 words
A device as set forth in claim 3 including at least one reinforcing member disposed in said core.
Claim 4
Dependent Claim
22 words
A device as set forth in claim 4 wherein said reinforcing member comprises a hollow tube filled with said organic polymeric material.
Claim 5
Dependent Claim
19 words
A device as set forth in claim 5 wherein said tube is completely embedded in said organic polymeric material.
Claim 6
Dependent Claim
15 words
A device as set forth in claim 6 wherein said organic polymeric material comprises polyurethane.
Claim 7
Dependent Claim
89 words
A device as set forth in claim 6 wherein said core includes a lower portion and an upper portion, said lower portion being thicker front to rear than said upper portion and narrower side to side than said upper portion, said recess being disposed in said upper portion, and including a plurality of said tubes, said tubes being made of plastic and said bag being made of plastic, at least some of said tubes being disposed to extend generally upwardly from said lower portion and into said upper portion.
Claim 8
Dependent Claim
33 words
A device as set forth in claim 8 wherein said lower portion is circular in cross section and said upper portion is generally rectangular in plan, and including a neck portion interconnecting said
Claim 9
Dependent Claim
61 words
A football blocking deice comprising: a resilient one piece core having generally parallel front and rear faces, said core having a recess in said front face thereof, said core having at least one passage extending from the bottom of said recess to said rear face, said passage being completely surrounded by said core and a material stretched tautly over said recess.
Claim 10
Dependent Claim
19 words
A device as set forth in claim 10 wherein said material is defined by a bag surrounding said core.
Claim 11
Dependent Claim
18 words
A device as set forth in claim 10 including at least one reinforcing member disposed in said core.
Claim 12
Dependent Claim
35 words
A device as set forth in claim 12 wherein said core is made of organic polymeric material and said reinforcing member comprises a hollow tube completely embedded within and filled with said organic polymeric material.
Claim 13
Dependent Claim
130 words
A football blocking device comprising: a one piece core having a blocking face, said core having a recess in said face, said recess having a bottom and wall means extending from said bottom to said face and completely surrounding said bottom, a bag surrounding said core and stretched over said recess, at least the portion of said bag stretched over said recess being sufficiently impervious to air to cause the movement of air when moved rapidly into said recess, said core having at least one passage extending from said bottom of said recess completely through said core to the rear thereof whereby air may pass from said recess to the rear of said core as said bag is moved into said recess, said passage being completely surrounded by said core.
Claim 14
Dependent Claim
20 words
A device as set forth in claim 14 wherein said core is at least in part generally rectangular in configuration.
Claim 15
Dependent Claim
26 words
A device as set forth in claim 15 wherein said wall means includes four walls and said bottom is four sided with pairs of parallel sides.
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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |