US2517777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane resins
Assignee: Dow Silicones Corp
•
Filing: 1946-01-21
•
Granted: 1950-08-08
•
Expires: 1966-01-21
Abstract
No abstract record available.
Inventors
- 👤 Howard N Fenn
- 👤 Lawrence A Rauner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:32
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2375998A
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US2258222A
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US2371050A
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US2442212A
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US2486162A
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US2398672A
Cited
US2467976A
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US2470479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |