US2802765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface covering
Assignee: Armstrong World Industries Inc
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Filing: 1956-04-27
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Granted: 1957-08-13
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Expires: 1976-04-27
Abstract
No abstract record available.
Inventors
- 👤 John W Baymiller
- 👤 Jr David A Feigley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/005; D; D06; D06N; D06N7/00; D06N7/0005; D06N7/006; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3167; Y10T428/31674; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/53
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
A SURFACE COVERING COMPRISING A WEAR LAYER OF LINOLEUM COMPOSITION BONDED TO A BAACKING LAYER COMPRISING THE FELTED AND DIRED RESIDUE OF 100 PARTS OF A FURNISH CONTAINING 60-80 PARTS OF HYDRATED DCOTTON FIBERS CONTAINING PORTEINACEOUS MATERIAL AS A CONTAMINANT ANAD 40-20 PARTS OF GROUND WOOD FILLER, SAID 100 PARTS OF FURNISH HAVING UNIFORMLY DEPOSITED THEREON 15-40 PARTS OF THE COAGULATED RESIDUE OF A DISPERSION OF SYNSTHETIC RUBBER MATERIAL ANTIOXIDIZED AND HEAT-STABILIZED WITH AN ANTIOXIDANT, ALL PARTS BEING BY WEIGHT ON A DRY BASIS, STHE SURFACE OF SAID FELT TO WHICH SAID LINOLEUM LAYER IS BONDED BEING CHARACTERIZED BY THE SUBSTANTIALLY COMPLETE TANNING OF SAID PROTEINACEOUS MATERIAL DISPOSED AT SAID SURFACE WHICH RENDERS SAID BACKING LAYER ANTISTAINING TO SAID LINOLEUM COMPOSITION WEAR LAYER.
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) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |