US2963458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride polymer plasticized with alpha-phosphonate compounds
Assignee: Individual
•
Filing: 1958-01-14
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Granted: 1960-12-06
•
Expires: 1978-01-14
Abstract
No abstract record available.
Inventors
- 👤 Swern Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A PLASTIC COMPOSITION COMPRISING A SYHTHETIC RESIN SELECTED FROM THE GROUP CONSISTING OF POLYNVINYL CHLORIDE AND A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE CONTAINING PREDOMINANTLY VINYL CHLORIDE AND, AS A PLASTIZER THEREFOR, A COMPOUND REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
40 words
A PLASTIC COMPOSITION COMPRISING A SYHTHETIC RESIN SELECTED FROM THE GROUP CONSISTING OF POLYNVINYL CHLORIDE AND A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE CONTAINING PREDOMINANTLY VINYL CHLORIDE AND, AS A PLASTIZER THEREFOR, A COMPOUND REPRESENTED BY THE GENERAL FORMULA:
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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |