US2828219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor and wall covering
Assignee: Armstrong World Industries Inc
•
Filing: 1955-07-29
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Granted: 1958-03-25
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Russell W Heiges
- 👤 William R Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:51
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/10; B; B05; B05D; B05D7/00; B05D7/06; B05D7/08; B05D7/50; B05D7/52; B32; B32B; B32B27/00; B05D2501/00; B05D2501/10; B05D2507/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3167; Y10T428/31801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A CORK COMPOSITION FLOOR AND WALL COVERING HAVING A WEAR-RESISTANT FINISH COMPRISING A FILM OF A BLEND CONTAINING A MAJOR PORTION OF HYDROCARBON WAX AND A MINOR PORTION OF A POLYETHYLENE POLYMER HAVING A MOLECULAR WEIGHT IN EXCESS OF 10,000 AND A SURFACE COATING OF A POLYETHYLENE POLYMER HAVING A RELATIVELY LOW MOLECULAR WEIGHT FALLING WITHIN THE RANGE OF 1,000 TO 3,000.
Claim 2
Dependent Claim
62 words
A CORK COMPOSITION FLOOR AND WALL COVERING HAVING A WEAR-RESISTANT FINISH COMPRISING A FILM OF A BLEND CONTAINING A MAJOR PORTION OF HYDROCARBON WAX AND A MINOR PORTION OF A POLYETHYLENE POLYMER HAVING A MOLECULAR WEIGHT IN EXCESS OF 10,000 AND A SURFACE COATING OF A POLYETHYLENE POLYMER HAVING A RELATIVELY LOW MOLECULAR WEIGHT FALLING WITHIN THE RANGE OF 1,000 TO 3,000.
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |