US3428599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing,without premature gelation,organopolysiloxane
Assignee: OI Glass Inc
•
Filing: 1965-05-24
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Granted: 1969-02-18
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Charles W Newing Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:35
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2579417A
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US3032528A
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US3243404A
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US3208972A
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US3280071A
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US3257330A
Cited
US3245918A
Cited
US3354095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |