US3460216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminoalkyl silicone glass lubricant
Assignee: Dow Silicones Corp
•
Filing: 1965-10-22
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Granted: 1969-08-12
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 James K Campbell
- 👤 Harold A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:53
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2256474A
Cited
US2663989A
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US2762823A
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US3234144A
Cited
US3303048A
Cited
US3249535A
Cited
US3355424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |