US2694484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless trough conveyer
Assignee: Individual
•
Filing: 1951-01-24
•
Granted: 1954-11-16
•
Expires: 1971-01-24
Abstract
No abstract record available.
Inventors
- 👤 Grebe Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:43
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/065; B65G17/063; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US434411A
Cited
US747090A
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US1453702A
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US2071485A
Cited
US2153098A
Cited
US2168898A
Cited
US2319617A
Cited
US2526563A
Cited
US2548061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |