US2656295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for improving the flame resistance of metal and product
Assignee: Fireproof Tanks Ltd
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Filing: 1950-12-13
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Granted: 1953-10-20
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Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Locke Walter Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:48
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; B; B22; B22F; B22F9/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHDO FOR IMPROVING THE FLAME RESISTANCE OF SHEET MATERIAL FORMED OF A LIGHT METALLIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND MAGNESIUM BASE METALS, WHICH COMPRISES COVERING ONE FACE OF THE SHEET MATERIAL WITH AT LEAST ONE LAYER OF WOVEN FABRIC FROM THE GROUP CONSISTING OF GLASS AND QUARTZ FABRIC, IMPREGNATED WITH A VINYL HALIDE, VINYL ACETATE, COPOLYMER RESIN.
Claim 2
Dependent Claim
62 words
A METHDO FOR IMPROVING THE FLAME RESISTANCE OF SHEET MATERIAL FORMED OF A LIGHT METALLIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND MAGNESIUM BASE METALS, WHICH COMPRISES COVERING ONE FACE OF THE SHEET MATERIAL WITH AT LEAST ONE LAYER OF WOVEN FABRIC FROM THE GROUP CONSISTING OF GLASS AND QUARTZ FABRIC, IMPREGNATED WITH A VINYL HALIDE, VINYL ACETATE, COPOLYMER RESIN.
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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |