US3490655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material blending silo
Assignee: Colgate Palmolive Co
•
Filing: 1966-08-17
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Granted: 1970-01-20
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Expires: 1986-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lowell A Ledgett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/80; B01F25/82; B01F25/821; B01F25/8211; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/36; B65G65/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US66661A
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US2174348A
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US2433684A
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US2805802A
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US2779510A
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US2907501A
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US3029986A
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US3076582A
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US3094243A
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US3201010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |