Patent US4342181A successfully refreshed from Google Patents.
US4342181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed construction apparatus and method
Assignee: Individual
•
Filing: 1980-07-18
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Granted: 1982-08-03
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Expires: 2000-07-18
Abstract
Abstract Foamed construction apparatus and method wherein the walls of existing structures are used as one side of a form and a second form is attached either to the outside or the inside of the existing wall and spaced therefrom with suitable spacers and then filled with an expanding foam so as to substantially improve the insulating properties of the structure as well as to change its internal and/or external appearance. The insulating properties of the foam substantially increase the efficiency of the structure and the technique results in new and improved external and internal appearance of the structure.
Inventors
- 👤 Deane M. Truesdell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:06
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/762
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
130 words
A method for modifying a pre-existing building comprising, securing additional side walls to the outer surfaces of the building at a number of points and on a number of surfaces so that substantially the entire additional side walls are spaced horizontally from the building on the outside thereof to form spaces between the outer surfaces of said building and the inner surfaces of said additional walls and wherein said building is formed with a door or window opening and the step of adding on the outside of said building reinforcing sheeting over said opening in said building to close said opening and substantially completely filling the spaces between such side walls and said building with an in situ foamed insulation to provide insulation without modifying the inside of said building.
Claim 2
Independent Claim
130 words
A method for modifying a pre-existing building comprising, securing additional side walls to the outer surfaces of the building at a number of points and on a number of surfaces so that substantially the entire additional side walls are spaced horizontally from the building on the outside thereof to form spaces between the outer surfaces of said building and the inner surfaces of said additional walls and wherein said building is formed with a door or window opening and the step of adding on the outside of said building reinforcing sheeting over said opening in said building to close said opening and substantially completely filling the spaces between such side walls and said building with an in situ foamed insulation to provide insulation without modifying the inside of said building.
Claim 3
Dependent Claim
30 words
The method of claim 1 including the additional step of cleaning the outer surface of said building before said additional walls are attached to the outer surface of said wall.
Claim 4
Dependent Claim
25 words
The method of claim 1 including the additional step of adding trim to said additional walls after said space has been filled with foamed insulation.
Claim 5
Dependent Claim
86 words
A building having superior insulation properties comprising a pre-existing building, spacer means, additional walls secured to the outside surfaces of said building by said spacer means to form spaces between said building and said additional walls including reinforcing sheets mounted on the outside surfaces of said building over a door or window opening in said pre-existing building and foamed insulation between said existing building and said additional walls so as to form layers of insulation between said outside surfaces of said building and said additional walls.
Claim 6
Dependent Claim
86 words
A building having superior insulation properties comprising a pre-existing building, spacer means, additional walls secured to the outside surfaces of said building by said spacer means to form spaces between said building and said additional walls including reinforcing sheets mounted on the outside surfaces of said building over a door or window opening in said pre-existing building and foamed insulation between said existing building and said additional walls so as to form layers of insulation between said outside surfaces of said building and said additional walls.
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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) | 1985-08-02 | 1986-02-01 | 1986-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-02 | 1990-02-01 | 1990-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-02 | 1994-02-01 | 1994-08-03 | $7700.00 | Window Closed / Lapsed |