US3850294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package of saturated unsized glass filaments
Assignee: Owens Corning
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Filing: 1972-08-04
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Granted: 1974-11-26
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Expires: 1992-08-04
Abstract
Abstract A package of roving of unsized continuous filaments of glass whereby the package is saturated with water maintaining the filaments in group orientation by the water.
Inventors
- 👤 T Philipps
- 👤 J Belue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:37
CPC Classifications
B; B65; B65H; B65H71/00; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/312; B65H2701/3122
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
30 words
A package of roving of unsized continuous filaments of glass, said package being saturated with water whereby the filaments are maintained in group orientation in the roving by the water.
Claim 2
Dependent Claim
30 words
A package of roving of unsized continuous filaments of glass, said package being saturated with water whereby the filaments are maintained in group orientation in the roving by the water.
Claim 3
Dependent Claim
19 words
A package of roving according to claim 1 including an impervious envelope enclosing the water saturated package of roving.
Claim 4
Dependent Claim
14 words
The combination according to claim 2 wherein the impervious envelope is of resinous material.
Claim 5
Dependent Claim
32 words
A package of roving of unsized continuous filaments of glass, said package being saturated with a vaporizable liquid whereby the filaments are maintained in group orientation in the roving by the liquid.
Claim 6
Dependent Claim
32 words
A package of roving of unsized continuous filaments of glass, said package being saturated with a vaporizable liquid whereby the filaments are maintained in group orientation in the roving by the liquid.
Claim 7
Dependent Claim
28 words
A package of roving of unsized continuous filaments of glass, said package being of circular cylindrical shape having square ends, said package being saturated with a vaporizable liquid.
Claim 8
Dependent Claim
28 words
A package of roving of unsized continuous filaments of glass, said package being of circular cylindrical shape having square ends, said package being saturated with a vaporizable liquid.
Claim 9
Dependent Claim
41 words
A water saturated package comprising a linear body of unsized continuous filaments of glass, the linear body being disposed in successive layers in the package, each of said layers extending full length of the package providing square ends for the package.
Claim 10
Dependent Claim
41 words
A water saturated package comprising a linear body of unsized continuous filaments of glass, the linear body being disposed in successive layers in the package, each of said layers extending full length of the package providing square ends for the package.
Claim 11
Dependent Claim
36 words
A water saturated package according to claim 6 wherein the convolutions of the linear body are in side-by-side contiguous relation with the convolutions of one layer in crossing relation with the convolutions in an adjacent layer.
Claim 12
Dependent Claim
26 words
A package comprising a plurality of rovings, each of said rovings comprising linear bundles of unsized continuous filaments of glass, said package being saturated with water.
Claim 13
Dependent Claim
26 words
A package comprising a plurality of rovings, each of said rovings comprising linear bundles of unsized continuous filaments of glass, said package being saturated with water.
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |