US4054033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining panel
Assignee: PILOSIO SpA
•
Filing: 1976-03-01
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Granted: 1977-10-18
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Expires: 1996-03-01
Abstract
Abstract The invention discloses a trench shoring panel is having an internal construction form made with continuous longitudinal elements connected vertically by analogous vertical elements suitably spaced. This panel has at its vertical sides at least one vertical end slot on one of its sides and on its other side a vertical projection that cooperate with said slot.
Inventors
- 👤 Roberto Pillosio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:57
CPC Classifications
E; E02; E02D; E02D17/00; E02D17/06; E02D17/08; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7016
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
192 words
An excavated wall retainer comprising vertical guides, at least one retaining panel, each said guides consisting of a substantially T-shaped section to which is attached on the outer side of the head of the T in spaced relationship strut anchoring means and to which is attached on one side of the stem of the T two adjacent male connection means and on the other side of the stem of the T two adjacent female connection means, one pair of male and female connection means extending the entire height of the guides, one pair of male and female connection means extending only on the upper one-half of said guides, said retaining panel comprising an inner carrying structure composed of vertical sections and horizontal sections connected to each other and at least one covering surface for one side of said structure, one outer vertical section defining a male connection means, one outer vertical section defining a female connection means and means to stop one of said panels from moving the entire height of said guide, said panel being vertically slidable within one pair of said male and female connection means for its full height.
Claim 2
Dependent Claim
192 words
An excavated wall retainer comprising vertical guides, at least one retaining panel, each said guides consisting of a substantially T-shaped section to which is attached on the outer side of the head of the T in spaced relationship strut anchoring means and to which is attached on one side of the stem of the T two adjacent male connection means and on the other side of the stem of the T two adjacent female connection means, one pair of male and female connection means extending the entire height of the guides, one pair of male and female connection means extending only on the upper one-half of said guides, said retaining panel comprising an inner carrying structure composed of vertical sections and horizontal sections connected to each other and at least one covering surface for one side of said structure, one outer vertical section defining a male connection means, one outer vertical section defining a female connection means and means to stop one of said panels from moving the entire height of said guide, said panel being vertically slidable within one pair of said male and female connection means for its full height.
Claim 3
Dependent Claim
22 words
The wall retainer of claim 1 wherein said strut anchoring means are aligned in respect of each pair of male/female connection means.
Claim 4
Dependent Claim
18 words
The wall retainer of claim 1 wherein the male connection means are aligned with the female connection means.
Claim 5
Dependent Claim
30 words
The wall retainer of claim 1 wherein said stop means for the panel consist of plates fixed to the lower ends of one pair of male and female connection means.
Claim 6
Dependent Claim
15 words
The wall retainer of claim 1 wherein the female connection means is a hollow T-shape.
Claim 7
Dependent Claim
15 words
The wall retainer of claim 1 wherein the horizontal and vertical sections are C-shaped sections.
Claim 8
Dependent Claim
15 words
The wall retainer of claim 1 wherein the horizontal and vertical sections are H-shaped sections.
Claim 9
Dependent Claim
24 words
The wall retainer of claim 6 wherein the vertical sections have their ribs cut off at least at one end thus forming a tongue.
Claim 10
Dependent Claim
15 words
The wall retainer of claim 1 wherein the male connection means is a tubular element.
Claim 11
Dependent Claim
15 words
The wall retainer of claim 1 wherein the female connection means is a hollow T-shape.
References Cited (Backward Citations)
US3204415A
Cited
US3621660A
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US3750410A
Cited
US3858399A
Cited
US3910054A
Cited
US3969852A
Cited
US3937026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-17 | 1981-04-18 | 1981-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-17 | 1985-04-18 | 1985-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-17 | 1989-04-18 | 1989-10-18 | $7700.00 | Window Closed / Lapsed |