US3257040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalanced vibratory hoppers
Assignee: Carrier Manufacturing Co
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Filing: 1964-07-09
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Granted: 1966-06-21
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Expires: 1984-07-09
Abstract
No abstract record available.
Inventors
- 👤 George D Dumbaugh
- 👤 Howell C Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:37
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN ACTIVATED BIN AND HOPPER SYSTEM COMPRISING, IN COMBINATION, A BIN STRUCTURE OF RELATIVELY LARGE MASS WHICH IS MOUNTED ON ISOLATORS AND HAS A BOTTOM DISCHARGE OPENING, A HOPPER STRUCTURE OF RELATIVELY SMALL MASS BELOW THE BIN STRUCTURE, HAVING A BOTTOM DISCHARGE OPENING, A FLEXIBLE CONNECTION BETWEEN THE HOPPER STRUCTURE AND THE BIN STRUCTURE, AND MEANS FOR APPLYING VIBRATION TO AT LEAST ONE OF THE TWO STRUCTURES AT A FREQUENCY CLOSE TO THE NATURAL FREQUENCY OF THE SYSTEM CONSISTING OF THE TWO STRUCTURES AND THE FLEXIBLE CONNECTION, TO CAUSE
Claim 2
Dependent Claim
89 words
AN ACTIVATED BIN AND HOPPER SYSTEM COMPRISING, IN COMBINATION, A BIN STRUCTURE OF RELATIVELY LARGE MASS WHICH IS MOUNTED ON ISOLATORS AND HAS A BOTTOM DISCHARGE OPENING, A HOPPER STRUCTURE OF RELATIVELY SMALL MASS BELOW THE BIN STRUCTURE, HAVING A BOTTOM DISCHARGE OPENING, A FLEXIBLE CONNECTION BETWEEN THE HOPPER STRUCTURE AND THE BIN STRUCTURE, AND MEANS FOR APPLYING VIBRATION TO AT LEAST ONE OF THE TWO STRUCTURES AT A FREQUENCY CLOSE TO THE NATURAL FREQUENCY OF THE SYSTEM CONSISTING OF THE TWO STRUCTURES AND THE FLEXIBLE CONNECTION, TO CAUSE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |