US3439836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for conditioning and dispensing particulated material
Assignee: Individual
•
Filing: 1967-01-27
•
Granted: 1969-04-22
•
Expires: 1987-01-27
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Ricciardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:50
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/01; B; B01; B01F; B01F27/00; B01F27/60; B01F27/72; B01F27/726; B65; B65G; B65G69/00; B65G69/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1128043A
Cited
US1796659A
Cited
US2298317A
Cited
US2509543A
Cited
US2641369A
Cited
US3186602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |