Patent FR2275771B1 successfully refreshed from Google Patents.
US4065597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibre-reinforced laminates
Assignee: HAT INTERIORS Ltd A OF UNITED KINGDOM LLC
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Filing: 1975-06-17
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Granted: 1977-12-27
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Expires: 1995-06-17
Abstract
Abstract A laminate of plaster reinforced with a monofilament, continuous strand, glass fibre, preferably in the form of a mat. The laminate can be made flexible by subjecting it to stress, such as by rolling it to cause flexion.
Inventors
- 👤 David L. Gillespie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:16
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/043; B; B28; B28B; B28B23/00; B28B23/0006; B28B3/00; B28B3/12; B28B3/126; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249932; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T442/00; Y10T442/20; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
25 words
A lamina of plaster reinforced with monofilament, continuous strand glass fibre in the form of at least one mat distributed substantially throughout the thickness thereof.
Claim 2
Dependent Claim
25 words
A lamina of plaster reinforced with monofilament, continuous strand glass fibre in the form of at least one mat distributed substantially throughout the thickness thereof.
Claim 3
Dependent Claim
17 words
A lamina as claimed in claim 1, in which the mat is tissue grade fibre glass mat.
Claim 4
Dependent Claim
23 words
A lamina as claimed in claim 2, in which the fibre glass mat has a grade less than 0.5 ounces per square foot.
Claim 5
Dependent Claim
16 words
A lamina as claimed in claim 3 having a thickness of not more than 5 mm.
Claim 6
Dependent Claim
15 words
A lamina as claimed in claim 1 and which is also reinforced with carbon fibre.
Claim 7
Dependent Claim
11 words
The lamina of claim 1 wherein said plaster is autoclaved plaster.
Claim 8
Dependent Claim
14 words
A composite laminate comprised of at least two of the lamina of claim 1.
Claim 9
Dependent Claim
18 words
The composite laminate of claim 7 wherein each lamina is disposed at right angles to each adjacent lamina.
Claim 10
Dependent Claim
22 words
The lamina of claim 1 wherein the monofilament, continuous strand glass fiber reinforcement constitutes about 4% by weight of the said lamina.
Claim 11
Dependent Claim
26 words
A flexible lamina of plaster reinforced with monofilament, continuous strand glass fibre in the form of at least one mat distributed substantially throughout the thickness thereof.
Claim 12
Dependent Claim
26 words
A flexible lamina of plaster reinforced with monofilament, continuous strand glass fibre in the form of at least one mat distributed substantially throughout the thickness thereof.
Claim 13
Dependent Claim
17 words
A flexible lamina as claimed in claim 10 having a thickness of not more than 5 mm.
Claim 14
Dependent Claim
12 words
The flexible lamina of claim 10 wherein said plaster is autoclaved plaster.
Claim 15
Dependent Claim
19 words
The flexible lamina of claim 10 wherein said monofilament, continuous strand glass fiber constitutes about 4% of said lamina.
Claim 16
Dependent Claim
16 words
The flexible lamina of claim 10 in which the mat is tissue grade fibre glass mat.
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) | 1980-12-26 | 1981-06-27 | 1981-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-26 | 1985-06-27 | 1985-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-26 | 1989-06-27 | 1989-12-27 | $7700.00 | Window Closed / Lapsed |