US2723963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-flammable plastic compositions and method of making same
Assignee: Dow Chemical Co
•
Filing: 1953-01-21
•
Granted: 1955-11-15
•
Expires: 1973-01-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Price
- 👤 Arthur F Roche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0066; C08K5/02; C08K5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A NON-FLAMMABLE INTIMATE MIXTURE OF (A) A SOLID, FLAMMABLE POLYMER COMPRISING IN CHEMICALLY COMBINED FORM AT LEAST 50 PER CENT BY WEIGHT OF AT LEAST ONE ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
33 words
A NON-FLAMMABLE INTIMATE MIXTURE OF (A) A SOLID, FLAMMABLE POLYMER COMPRISING IN CHEMICALLY COMBINED FORM AT LEAST 50 PER CENT BY WEIGHT OF AT LEAST ONE ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
GB554602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |