Patent US3182738A successfully refreshed from Google Patents.
US3182738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravimetric feeder
Assignee: New York Air Brake LLC
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Filing: 1962-09-10
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Granted: 1965-05-11
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Expires: 1982-09-10
Abstract
No abstract record available.
Inventors
- 👤 Wilbur H Frazel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:06
CPC Classifications
G; G01; G01G; G01G13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A MATERIAL FEEDING MEANS A RECEPTACLE AND MEANS FOR FEEDING A PREDETERMINED WEIGHT OF MATERIAL TO SAID RECEPTACLE COMPRISING AN UPPER FEEDER DISCHARGING MATERIAL THEREFROM INTO SAID RECEPTACLE, A LOWER FEEDER COMPRISING A TROUGH U-SHAPED IN CROSS SECTION OPEN AT ONE END THEREOF IN THE PATH OF MATERIAL DISCHARGED FROM SAID UPPER FEEDER CONSTRUCTED AND ARRANGED TO RECEIVE A PORTION OF THE MATERIAL DISCHARGED BY SAID UPPER FEEDER, A
Claim 2
Dependent Claim
70 words
IN A MATERIAL FEEDING MEANS A RECEPTACLE AND MEANS FOR FEEDING A PREDETERMINED WEIGHT OF MATERIAL TO SAID RECEPTACLE COMPRISING AN UPPER FEEDER DISCHARGING MATERIAL THEREFROM INTO SAID RECEPTACLE, A LOWER FEEDER COMPRISING A TROUGH U-SHAPED IN CROSS SECTION OPEN AT ONE END THEREOF IN THE PATH OF MATERIAL DISCHARGED FROM SAID UPPER FEEDER CONSTRUCTED AND ARRANGED TO RECEIVE A PORTION OF THE MATERIAL DISCHARGED BY SAID UPPER FEEDER, A
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |