US3003667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the discharge of grain or similar small-sized material
Assignee: NILS FREDRIK RUDEBECK
•
Filing: 1957-10-18
•
Granted: 1961-10-10
•
Expires: 1977-10-18
Abstract
No abstract record available.
Inventors
- 👤 Belfrage Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:05
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44; F; F26; F26B; F26B25/00; F26B25/001; F26B25/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US117718A
Cited
US2734688A
Cited
US1366781A
Cited
US1880287A
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US2148946A
Cited
US2276382A
Cited
US2584444A
Cited
US2789733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |