US2495066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dusting and polishing paper
Assignee: Munising Paper Co
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Filing: 1945-12-12
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Granted: 1950-01-17
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Expires: 1965-12-12
Abstract
No abstract record available.
Inventors
- 👤 Hilton I Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:45
CPC Classifications
C; C09; C09G; C09G1/00; A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; C11; C11D; C11D1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A COMBINED DUSTING AND POLISHING PAPER COMPRISING A SUBSTANTIALLY SIZE- AND FILLER-FREE ABSORBENT PAPER SHEET CHARACTERIZED BY HIGH WET AND DRY STRENGTH AND HIGH OIL AND WATER ABSORBENCY AND HAVING SUBSTANTIALLY UNIFORMLY DISTRIBUTED THEREIN A MINERAL OIL; A FLEXIBILIZING AGENT CONSISTING OF A POLYHYDRIC ALCOHOL; AND MINOR AMOUNTS OF A LONG CHAIN FATTY ACID PARTIAL ESTER OF A HEXITOL ANHYDRIDE, A POLYOXYALKYLENE DERIVATIVE OF A LONG CHAIN FATTY CID PARTIAL ESTER OF A HEXITOL ANHYDRIDE, AND A POLYOXYALKYLENE DERIVATIVE OF A LONG CHAIN FATTY ACID MONOESTER OF A GLYCOL, SAID FATTY ACIDS HAVING AT LEAST 6 CARBON ATOMS, SAID PAPER SHEET BEING SOFT AND CLOTH-LIKE, SUBSTANTIALLY DRY TO THE TOUCH, AND CAPABLE OF FURTHER IMPREGNATION.
Claim 2
Dependent Claim
115 words
A COMBINED DUSTING AND POLISHING PAPER COMPRISING A SUBSTANTIALLY SIZE- AND FILLER-FREE ABSORBENT PAPER SHEET CHARACTERIZED BY HIGH WET AND DRY STRENGTH AND HIGH OIL AND WATER ABSORBENCY AND HAVING SUBSTANTIALLY UNIFORMLY DISTRIBUTED THEREIN A MINERAL OIL; A FLEXIBILIZING AGENT CONSISTING OF A POLYHYDRIC ALCOHOL; AND MINOR AMOUNTS OF A LONG CHAIN FATTY ACID PARTIAL ESTER OF A HEXITOL ANHYDRIDE, A POLYOXYALKYLENE DERIVATIVE OF A LONG CHAIN FATTY CID PARTIAL ESTER OF A HEXITOL ANHYDRIDE, AND A POLYOXYALKYLENE DERIVATIVE OF A LONG CHAIN FATTY ACID MONOESTER OF A GLYCOL, SAID FATTY ACIDS HAVING AT LEAST 6 CARBON ATOMS, SAID PAPER SHEET BEING SOFT AND CLOTH-LIKE, SUBSTANTIALLY DRY TO THE TOUCH, AND CAPABLE OF FURTHER IMPREGNATION.
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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |