Patent US3122278A successfully refreshed from Google Patents.
US3122278A
Expired / Lapsed
US
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Dispenser with rotatable trap
Assignee: Individual
•
Filing: 1961-03-06
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Granted: 1964-02-25
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Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Clarence V Crozier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:37
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/10; G01F11/12; G01F11/20; G01F11/24; A; A47; A47J; A47J47/00; A47J47/01; Y; Y10; Y10S; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A DISPENSER FOR POWDERED OR GRANULAR MATERIALS COMPRISING IN COMBINATION, A HOPPER HAVING A FEED SLOT AT THE BOTTOM THEREOF, A METERING ROD HAVING A MEASURING TRAP BENEATH THE FEED SLOT, MEANS CARRIED BY THE HOPPER AT ONE END OF THE FEED SLOT AND OPERATIVELY ASSOCIATED WITH SAID ROD WHEREBY SAID METERING ROD IS SUPPORTED AT ONE END FOR BOTH ROTATABLE MOVEMENT AND UPWARD AND DOWNWARD SWINGING MOVEMENTS, AND MEANS CARRIED BY THE HOPPER AT THE OTHER END OF THE FEED SLOT WHEREBY SAID METERING ROD WHEN SWUNG UPWARDLY WILL BE ENGAGED BY SAID LATTER-MENTIONED MEANS FOR ROTATABLY SUPPORTING THE ROD.
Claim 2
Dependent Claim
101 words
A DISPENSER FOR POWDERED OR GRANULAR MATERIALS COMPRISING IN COMBINATION, A HOPPER HAVING A FEED SLOT AT THE BOTTOM THEREOF, A METERING ROD HAVING A MEASURING TRAP BENEATH THE FEED SLOT, MEANS CARRIED BY THE HOPPER AT ONE END OF THE FEED SLOT AND OPERATIVELY ASSOCIATED WITH SAID ROD WHEREBY SAID METERING ROD IS SUPPORTED AT ONE END FOR BOTH ROTATABLE MOVEMENT AND UPWARD AND DOWNWARD SWINGING MOVEMENTS, AND MEANS CARRIED BY THE HOPPER AT THE OTHER END OF THE FEED SLOT WHEREBY SAID METERING ROD WHEN SWUNG UPWARDLY WILL BE ENGAGED BY SAID LATTER-MENTIONED MEANS FOR ROTATABLY SUPPORTING THE ROD.
References Cited (Backward Citations)
US1721137A
Cited
US1772377A
Cited
US1891038A
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US2131651A
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US2585198A
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US2721009A
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US2779512A
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US2984382A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |