US2486162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-siloxanes
Assignee: Corning Glass Works
•
Filing: 1942-02-26
•
Granted: 1949-10-25
•
Expires: 1962-02-26
Abstract
No abstract record available.
Inventors
- 👤 Hyde James Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:33
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2258218A
Cited
US2386466A
Cited
US2258220A
Cited
US2258222A
Cited
US2371050A
Cited
US2442212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |