US2838469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends and copolymers of polymerized acetylene and method of molding same
Assignee: Airco Inc
•
Filing: 1953-03-25
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Granted: 1958-06-10
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Expires: 1973-03-25
Abstract
No abstract record available.
Inventors
- 👤 Alio J Buselli
- 👤 Arthur V Tobolsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:23
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/06; C08L23/00; C08L23/02; C08L23/04; C08L23/06; Y; Y10; Y10S; Y10S525/00; Y10S525/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A POLYMER BLEND COMPRISING CUPRENE AND A SYNTHETIC ELASTOMER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE AND A COPOLYMER OF BUTADIENE AND SYTRENE.
Claim 2
Dependent Claim
23 words
A POLYMER BLEND COMPRISING CUPRENE AND A SYNTHETIC ELASTOMER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE AND A COPOLYMER OF BUTADIENE AND SYTRENE.
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) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |