Patent US2013472A successfully refreshed from Google Patents.
US2013472A
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US
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Decorated hard surface covering and method of manufacturing the same
Assignee: Armstrong World Industries Inc
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Filing: 1930-05-26
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Granted: 1935-09-03
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Expires: 1950-05-26
Abstract
No abstract record available.
Inventors
- 👤 Mccarthy J Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0028; B; B44; B44C; B44C3/00; B44C3/02; B44C3/025; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-09-02 | 1939-03-04 | 1939-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-02 | 1943-03-04 | 1943-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-02 | 1947-03-04 | 1947-09-03 | $7700.00 | Window Closed / Lapsed |