US3433764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of producing siloxane condensation products
Assignee: OI Glass Inc
•
Filing: 1965-10-11
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Granted: 1969-03-18
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Judith A Walmsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:01
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2465188A
Cited
US3000858A
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US3208972A
Cited
US3257330A
Cited
US3334065A
Cited
US3354095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |