Patent US2594498A successfully refreshed from Google Patents.
US2594498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition consisting of polyvinyl alcohol and trimethylene glycol
Assignee: Individual
•
Filing: 1948-11-15
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Granted: 1952-04-29
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Expires: 1968-11-15
Abstract
No abstract record available.
Inventors
- 👤 Abbott M Rohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A RESINOUS COMPOSTION CONSISTING OF POLYVINYL ALCOHOL AND FROM 10 TO 100 PER CENT OF TRIMETHYLENE GLYCOL BASED ON POLYVINYL SOLIDS CONTENT.
Claim 2
Dependent Claim
22 words
A RESINOUS COMPOSTION CONSISTING OF POLYVINYL ALCOHOL AND FROM 10 TO 100 PER CENT OF TRIMETHYLENE GLYCOL BASED ON POLYVINYL SOLIDS CONTENT.
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |