US2676941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride polymers plasticized with alkyl carbonates of glycol lactates
Assignee: United States Department of Agriculture
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Filing: 1952-06-17
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Granted: 1954-04-27
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Expires: 1972-06-17
Abstract
No abstract record available.
Inventors
- 👤 Chessle E Rehberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A PLASTIC COMPOSITION COMPRISING POLYMERIZED VINYL CHLORIDE PLASTICIZED WITH A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
14 words
A PLASTIC COMPOSITION COMPRISING POLYMERIZED VINYL CHLORIDE PLASTICIZED WITH A COMPOUND HAVING THE FORMULA
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) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |