Patent US4011695A successfully refreshed from Google Patents.
US4011695A
Expired / Lapsed
US
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Bleacher system
Assignee: Individual
•
Filing: 1975-10-07
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Granted: 1977-03-15
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Expires: 1995-10-07
Abstract
Abstract A spectator bleacher structure assembled from extruded metal sections including base, end support, tread members and posts. The end support members interconnect the posts and are bridged by the tread members. The tread members have reinforcing channel flanges depending therefrom with snap-in prongs inserted into slots formed in the end support members.
Inventors
- 👤 William B. Simmons, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:07
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/12
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
72 words
In a bleacher structure having adjacent tubular posts interconnected by supports and channel shaped members connected to the supports between the posts, each of said channel-shaped members having parallel spaced supporting flanges resting on associated supports, a load supporting web interconnecting the supporting flanges, and spaced reinforcing flanges intermediate the supporting flanges depending from the web below the supporting flanges, and fastener means for securing the reinforcing flanges to the associated supports.
Claim 2
Dependent Claim
72 words
In a bleacher structure having adjacent tubular posts interconnected by supports and channel shaped members connected to the supports between the posts, each of said channel-shaped members having parallel spaced supporting flanges resting on associated supports, a load supporting web interconnecting the supporting flanges, and spaced reinforcing flanges intermediate the supporting flanges depending from the web below the supporting flanges, and fastener means for securing the reinforcing flanges to the associated supports.
Claim 3
Dependent Claim
28 words
The combination of claim 1 wherein said fastener means includes spaced slots formed in the supports and snap-in prongs formed on the reinforcing flanges received in said slots.
Claim 4
Dependent Claim
29 words
The combination of claim 2 wherein said reinforcing flanges are formed with spaced notches between which insert sections of the prongs are received within the slots in the supports.
Claim 5
Dependent Claim
21 words
The combination of claim 3 wherein said prongs project from the reinforcing flanges in close spaced relation below the supporting flanges.
Claim 6
Dependent Claim
18 words
The combination of claim 4 wherein the load supporting web is formed with spaced, slip resistant surface portions.
Claim 7
Dependent Claim
30 words
The combination of claim 5 wherein each of said supports comprises an inverted channel section having socket end portions embracing two of the posts to which the support is secured.
Claim 8
Dependent Claim
37 words
The combination of claim 6 wherein said supports include longer and shorter channel sections, each of the longer channel sections having an opening formed intermediate the end portions thereof to receive a third of the posts therethrough.
Claim 9
Dependent Claim
30 words
The combination of claim 1 wherein each of said supports comprises an inverted channel section having socket end portions embracing two of the posts to which the support is secured.
Claim 10
Dependent Claim
37 words
The combination of claim 8 wherein said supports include longer and shorter channel sections, each of the longer channel sections having an opening formed intermediate the end portions thereof to receive a third of the posts therethrough.
Claim 11
Dependent Claim
21 words
The combination of claim 2 wherein said prongs project from the reinforcing flanges in close spaced relation below the supporting flanges.
Claim 12
Dependent Claim
18 words
The combination of claim 1 wherein the load supporting web is formed with spaced, slip resistant surface portions.
Claim 13
Dependent Claim
69 words
In a bleacher structure having adjacent tubular posts interconnected by end supports for channel-shaped members extending between the posts, each of said channel-shaped members having parallel spaced supporting flanges resting on the end supports, a load supporting web interconnecting the supporting flanges, and spaced reinforcing flanges depending from the web below the supporting flanges, and fastener means for securing the reinforcing flanges to the associated supports and the posts.
Claim 14
Dependent Claim
69 words
In a bleacher structure having adjacent tubular posts interconnected by end supports for channel-shaped members extending between the posts, each of said channel-shaped members having parallel spaced supporting flanges resting on the end supports, a load supporting web interconnecting the supporting flanges, and spaced reinforcing flanges depending from the web below the supporting flanges, and fastener means for securing the reinforcing flanges to the associated supports and the posts.
Claim 15
Dependent Claim
38 words
The combination of claim 12 wherein the reinforcing flanges associated with some of the channel-shaped members are formed with spaced notches between which insert sections are defined, said insert sections being received within slots formed in the supports.
Claim 16
Dependent Claim
30 words
The combination of claim 12 wherein each of said supports comprises an inverted channel section having socket end portions embracing two of the posts to which the support is secured.
Claim 17
Dependent Claim
37 words
The combination of claim 14 wherein said supports include longer and shorter channel sections, each of the longer channel sections having an opening formed intermediate the end portions thereof to receive a third of the posts therethrough.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |