US2542344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back-sizing composition for floor coverings
Assignee: Alexander Smith & Sons Carpet
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Filing: 1947-03-11
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Granted: 1951-02-20
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Expires: 1967-03-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Emory P Mersereau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:18
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/055
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
AS A BACK-SIZING COMPOSITION FOR FLOOR COVERINGS, A HOMOGENEOUS AQUEOUS COMPOSITION HAVING A VISCOSITY OF 200 TO 2,000 CENTIPOISES AND A YIELD VALUE NOT IN EXCESS OF 200 DYNES PER SQUARE CENTIMETER, THE SOLIDS OF SAID COMPOSITION CONSISTING OF THE FOLLOWING INGREDIENTS IN THE NAMES PROPORTIONS:
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) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |