US3446404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulation of powders
Assignee: MAHARAJ K MEHTA
•
Filing: 1968-01-15
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Granted: 1969-05-27
•
Expires: 1988-01-15
Abstract
No abstract record available.
Inventors
- 👤 Maharaj K Mehta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:43
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; B; B65; B65B; B65B1/00; B65B1/30; B65B1/36; B65B1/363; B65B1/366; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/48; B65G65/4881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1172603A
Cited
US2684186A
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US2792156A
Cited
US2824675A
Cited
US2921721A
Cited
US3151784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |