Patent US3329313A successfully refreshed from Google Patents.
US3329313A
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Constant weight feeding apparatus
Assignee: HOWE RICHARDSON Co
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Filing: 1965-09-29
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Granted: 1967-07-04
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:58
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0605; G01; G01G; G01G13/00; G01G13/24; G01G13/28; G01G23/00; G01G23/18; G01G23/36; G01G23/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A RATE CONTROL, MATERIAL FEEDING APPARATUS COMPRISING A RECEPTACLE FOR RECEIVING MATERIAL AND HAVING AN OUTLET FOR DISCHARGING SAID MATERIAL IN A CONTINUOUS STREAM, WEIGHT SENSING MEANS FOR PRODUCING A FIRST SIGNAL THAT VARIES IN ACCORDANCE WITH THE WEIGHT OF MATERIAL IN SAID RECEPTACLE, MEANS PROVIDING A RATE SETTING REFERENCE SIGNAL, MEANS RESPONSIVE TO THE MEASURED DIFFERENCE BETWEEN SAID SIGNALS FOR CONTROLLING THE RATE OF DISCHARGE OF MATERIAL FROM SAID RECEPTACLE AND MEANS RESPONSIVE TO A PREDETERMINED DEPLETION OF MATERIAL IN SAID RECEPTACLE (A) FOR FILLING SAID RECEPTACLE WITH A PREDETERMINED AMOUNT OF MATERIAL AND (B) FOR REDUCING SAID MEASURED DIFFERENCE TO ZERO WHILE SAID RECEPTACLE IS BEING FILLED WITH SAID PREDETERMINED AMOUNT OF MATERIAL.
Claim 2
Dependent Claim
115 words
A RATE CONTROL, MATERIAL FEEDING APPARATUS COMPRISING A RECEPTACLE FOR RECEIVING MATERIAL AND HAVING AN OUTLET FOR DISCHARGING SAID MATERIAL IN A CONTINUOUS STREAM, WEIGHT SENSING MEANS FOR PRODUCING A FIRST SIGNAL THAT VARIES IN ACCORDANCE WITH THE WEIGHT OF MATERIAL IN SAID RECEPTACLE, MEANS PROVIDING A RATE SETTING REFERENCE SIGNAL, MEANS RESPONSIVE TO THE MEASURED DIFFERENCE BETWEEN SAID SIGNALS FOR CONTROLLING THE RATE OF DISCHARGE OF MATERIAL FROM SAID RECEPTACLE AND MEANS RESPONSIVE TO A PREDETERMINED DEPLETION OF MATERIAL IN SAID RECEPTACLE (A) FOR FILLING SAID RECEPTACLE WITH A PREDETERMINED AMOUNT OF MATERIAL AND (B) FOR REDUCING SAID MEASURED DIFFERENCE TO ZERO WHILE SAID RECEPTACLE IS BEING FILLED WITH SAID PREDETERMINED AMOUNT OF MATERIAL.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |