US2469883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of methyl silicone elastomers
Assignee: General Electric Co
•
Filing: 1945-06-11
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Granted: 1949-05-10
•
Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 Marsden James
- 👤 George F Roedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:56
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2258218A
Cited
US2371068A
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US2438478A
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US2432891A
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US2437204A
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US2448756A
Cited
US2397895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |