Patent US4712348A successfully refreshed from Google Patents.
US4712348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-penetrating roof system
Assignee: Individual
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Filing: 1986-06-13
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Granted: 1987-12-15
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Expires: 2006-06-13
Abstract
Abstract A non-penetrating roof structure or system and method comprising a roof deck, a plurality of retainers connected to the roof deck between the margins thereof, and a cover membrane extending over the roof deck and the retainers. The cover membrane is generally flexible. A kit for connecting the cover member to the roof deck comprising the battans and retainers is also provided. The cover membrane is affixed to the deck at the margins and connected to the roof deck between the margins by the retainers. The cover member is imperforate over the retainers and the deck.
Inventors
- 👤 Charles S. Triplett
- 👤 John D. Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:24
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/14; E04D5/144; E04D5/147; E04D5/141; E04D5/143; E04D5/146; E04D5/148
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
110 words
A roof structure comprising roof base, a plurality of flexible retention sheets, said retention sheets having inner and outer portions, a plurality of battans, said battans being positioned on said inner portions of said retention sheets and being secured to said base, said inner portions being between said battans and said base, said outer portions being on opposite sides of said battans and being moveable toward and away from said base, and a flexible imperforate cover membrane overlaying said battans and retention sheets, said membrane being bonded to said outer portions and secured to said roof base at its periphery, whereby said bonded membrane and retention sheet portions are integral.
Claim 2
Dependent Claim
110 words
A roof structure comprising roof base, a plurality of flexible retention sheets, said retention sheets having inner and outer portions, a plurality of battans, said battans being positioned on said inner portions of said retention sheets and being secured to said base, said inner portions being between said battans and said base, said outer portions being on opposite sides of said battans and being moveable toward and away from said base, and a flexible imperforate cover membrane overlaying said battans and retention sheets, said membrane being bonded to said outer portions and secured to said roof base at its periphery, whereby said bonded membrane and retention sheet portions are integral.
Claim 3
Dependent Claim
21 words
The structure of claim 1 wherein said cover membrane is imperforate over the entire upwardly facing surface of said roof base.
Claim 4
Dependent Claim
23 words
The roof structure of claim 1 wherein said retention sheets are woven fabric chosen from the group consisting of glass and resin materials.
Claim 5
Dependent Claim
27 words
The roof structure of claim 1 wherein the total longitudinal dimension of said battans is about the same as the total longitudinal dimension of said retention sheets.
Claim 6
Dependent Claim
37 words
The roof structure of claim 1 further comprising insulation, said insulation being superimposed on said roof base under said battans and retention sheets, said battans and retention sheets being connected to said roof base through said insulation.
Claim 7
Dependent Claim
18 words
The roof structure of claim 1 wherein said cover membrane is vulcanized ethylene propylene diene monomer compounded elastomer.
Claim 8
Dependent Claim
30 words
The roof structure of claim 1 wherein said retention sheets are generally rectangular and wherein said battans are elongated and wherein said battans are disposed longitudinally on said retention sheets.
Claim 9
Dependent Claim
53 words
The structure of claim 7 wherein said retention sheets and battans are disposed on said roof base between its periphery in a plurality of spaced apart rows extending between opposite portions of said periphery whereby said cover membrane is secured to said roof base between said periphery by said outer retention sheet portions.
Claim 10
Dependent Claim
114 words
A kit for connecting a flexible membrane to a flat base comprising a plurality of flexible retention sheets, said retention sheets having inner and outer portions, a plurality of battans said battans being positioned on said inner portions of said retention sheets, said battans being adapted to be secured to said base, said outer portions being on opposite sides of said battans, said retention sheets being between said battans and said base and being moveable toward and away from said base when secured to said base by said battans, said outer portions having upwardly facing surfaces adapted to be coated with adhesive for bonding said outer portions and said membrane into an integral sheet.
Claim 11
Dependent Claim
114 words
A kit for connecting a flexible membrane to a flat base comprising a plurality of flexible retention sheets, said retention sheets having inner and outer portions, a plurality of battans said battans being positioned on said inner portions of said retention sheets, said battans being adapted to be secured to said base, said outer portions being on opposite sides of said battans, said retention sheets being between said battans and said base and being moveable toward and away from said base when secured to said base by said battans, said outer portions having upwardly facing surfaces adapted to be coated with adhesive for bonding said outer portions and said membrane into an integral sheet.
Claim 12
Dependent Claim
23 words
The fastening structure of claim 9 wherein said retention sheets are woven fabric chosen from the group consisting of glass and resin materials.
Claim 13
Dependent Claim
31 words
The fastening structure of claim 9 wherein said retention sheets are generally elongated rectangular strips of sheet material, said battans are elongated, said battans are disposed longitudinally on said retention sheets.
Claim 14
Dependent Claim
27 words
The fastening structure of claim 9 wherein the total longitudinal dimension of said battans is about the same as the total longitudinal dimension of said retention sheets.
Claim 15
Dependent Claim
21 words
The fastening structure of claim 9 wherein the cover membrane is imperforate over the entire upwardly facing surface of said base.
Claim 16
Dependent Claim
53 words
The fastening structure of claim 9 wherein said retention sheets and battans are disposed on said base between its periphery in a plurality of spaced apart rows extending between opposite portions of said periphery, whereby said cover membrane is secured to said roof base between said periphery by said outer retention sheet portions.
Claim 17
Dependent Claim
84 words
A roofing method comprising overlaying base with a flexible retention sheet, said retention sheet having inner and outer portions, overlaying said inner portion of said retention sheet with a battan, securing said battan to said base, said outer portions being on opposite sides of said battan and being moveable toward and away from said base, overlaying said retention sheet and battan with a flexible, imperforate membrane, and bonding said membrane and outer portions together, whereby said bonded membrane and retention sheet portions are integral.
Claim 18
Dependent Claim
84 words
A roofing method comprising overlaying base with a flexible retention sheet, said retention sheet having inner and outer portions, overlaying said inner portion of said retention sheet with a battan, securing said battan to said base, said outer portions being on opposite sides of said battan and being moveable toward and away from said base, overlaying said retention sheet and battan with a flexible, imperforate membrane, and bonding said membrane and outer portions together, whereby said bonded membrane and retention sheet portions are integral.
Claim 19
Dependent Claim
69 words
The method of claim 15 wherein both said retention sheet and battan are provided in a plurality, said overlaying steps are performed so as to position said retention sheets and battans on said base between its periphery in a plurality of spaced apart rows extending between opposite portions of said periphery, and wherein said membrane is secured to said base between its periphery by said outer retention sheet portions.
Claim 20
Dependent Claim
20 words
The method of claim 15 wherein said cover membrane is imperforate over the entire upwardly facing surface of said base.
Claim 21
Dependent Claim
22 words
The method of claim 15 wherein said retention sheets are woven fabric chosen from the group consisting of glass and resin materials.
Claim 22
Dependent Claim
29 words
The method of claim 15 wherein said retention sheets are generally elongated strips of sheet material, said battans are elongated, said battans are disposed longitudinally on said retention sheets.
Claim 23
Dependent Claim
26 words
The method of claim 15 wherein the total longitudinal dimension of said battans is about the same as the total longitudinal dimension of said retention sheets.
Claim 24
Dependent Claim
23 words
The roof system of claim 15 wherein said retention sheets are woven fabric chosen from the group consisting of glass and resin materials.
Claim 25
Dependent Claim
35 words
The roof system of claim 15 wherein said retention sheets are elongated rectangular strips of sheet material said battans are elongated, said second overlaying step further comprises positioning said battans longitudinally on said retention sheets.
Claim 26
Dependent Claim
23 words
The roof system of claim 15 further comprising superimposing insulation on said roof base prior to connecting said retainers to said roof base.
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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) | 1990-12-14 | 1991-06-15 | 1991-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-14 | 1995-06-15 | 1995-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-14 | 1999-06-15 | 1999-12-15 | $7700.00 | Window Closed / Lapsed |