US2867599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizable vinyl-containing organopolysiloxanes and process of preparing elastomers therefrom
Assignee: General Electric Co
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Filing: 1954-08-16
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Granted: 1959-01-06
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Dallas T Hurd
- 👤 Robert C Osthoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:24
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/14; C08G77/16; C08G77/22; C08G77/28; C08K; C08K3/00; C08K3/02; C08K3/04; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A VULCANIZABLE MIXTURE COMPRISING (A) FROM 60 TO 94.5 PARTS, BY WEIGHT, OF AN ORGANOPOLYSILOXANE GUM HAVING THE AVERAGE STRUCTURAL FORMULA
Claim 2
Dependent Claim
21 words
A VULCANIZABLE MIXTURE COMPRISING (A) FROM 60 TO 94.5 PARTS, BY WEIGHT, OF AN ORGANOPOLYSILOXANE GUM HAVING THE AVERAGE STRUCTURAL 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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |