US2500144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous starching composition
Assignee: Individual
•
Filing: 1949-01-18
•
Granted: 1950-03-14
•
Expires: 1969-01-18
Abstract
No abstract record available.
Inventors
- 👤 John B Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:18
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/123; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A RESINOUS STARCHING COMPOSITION COMPRISING THE FOLLOWING INGREDIENTS IN PERCENTAGE BY WEIGHT: WATER, 70 TO 74%; POLYVINYL ALCOHOL, 1 TO 2%; SODIUM CARBOXYMETHYLCELLULOSE, 2 TO 5%; AND A WATER EMULSION CONTAINING 55 TO 57% BY WEIGHT OF POLYVINYL ACETATE, 20 TO 26%.
Claim 2
Dependent Claim
42 words
A RESINOUS STARCHING COMPOSITION COMPRISING THE FOLLOWING INGREDIENTS IN PERCENTAGE BY WEIGHT: WATER, 70 TO 74%; POLYVINYL ALCOHOL, 1 TO 2%; SODIUM CARBOXYMETHYLCELLULOSE, 2 TO 5%; AND A WATER EMULSION CONTAINING 55 TO 57% BY WEIGHT OF POLYVINYL ACETATE, 20 TO 26%.
References Cited (Backward Citations)
US2388600A
Cited
US2388601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |