US3436235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colloidal silica compositions containing set indicator
Assignee: EUTECTIC ENG Co
•
Filing: 1967-10-26
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Granted: 1969-04-01
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Expires: 1987-10-26
Abstract
No abstract record available.
Inventors
- 👤 Charles E Baer Jr
- 👤 William Evans
- 👤 Eugene Malinowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:13
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/18; B22C1/183; C; C04; C04B; C04B40/00; C04B40/0096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB488274A
Cited
US2627089A
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US2739075A
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US2937146A
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US2928749A
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US3209421A
Cited
US3165799A
Cited
US3222737A
Cited
US3231537A
Cited
US3357481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |