US3260320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Batch weighing of flowable material with supply cut-off timed to anticipate fallingmaterial in transit
Assignee: Girling Ltd
•
Filing: 1964-03-05
•
Granted: 1966-07-12
•
Expires: 1984-03-05
Abstract
No abstract record available.
Inventors
- 👤 Clamp David Warwick Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:17
CPC Classifications
G; G01; G01G; G01G13/00; G01G13/24; G01G13/28; G01G13/295; G01G13/2957
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD OF BATCH WEIGHING FLOWABLE MATERIAL COMPRISING ALLOWING THE MATERIAL TO FALL IN A STREAM INTO A WEIGHING HOPPER, CUTTING OFF THE FLOW OF MATERIAL TO THE HOPPER AHEAD OF THE INSTANT AT WHICH THE WEIGHT OF MATERIAL IN THE HOPPER ATTAINS THE DESIRED VALUE SO AS TO ALLOW FOR THE WEIGHT OF THE STREAM OF MATERIAL IN TRANSIT AT THE INSTANT OF CUT-OFF, INVERSELY VARYING THE DEGREE OF ADVANCE OF THE INSTANT OF CUT-OFF IN ACCORDANCE WITH THE WEIGHT OF MATERIAL WEIGHTED AND CONSEQUENTLY DIRECTLY WITH THE LENGTH OF THE STREAM AND FURTHER VARYING THE INSTANT OF CUT-OFF INVERSELY WITH THE DENSITY OF THE MATERIAL BEING WEIGHED.
Claim 2
Independent Claim
109 words
A METHOD OF BATCH WEIGHING FLOWABLE MATERIAL COMPRISING ALLOWING THE MATERIAL TO FALL IN A STREAM INTO A WEIGHING HOPPER, CUTTING OFF THE FLOW OF MATERIAL TO THE HOPPER AHEAD OF THE INSTANT AT WHICH THE WEIGHT OF MATERIAL IN THE HOPPER ATTAINS THE DESIRED VALUE SO AS TO ALLOW FOR THE WEIGHT OF THE STREAM OF MATERIAL IN TRANSIT AT THE INSTANT OF CUT-OFF, INVERSELY VARYING THE DEGREE OF ADVANCE OF THE INSTANT OF CUT-OFF IN ACCORDANCE WITH THE WEIGHT OF MATERIAL WEIGHTED AND CONSEQUENTLY DIRECTLY WITH THE LENGTH OF THE STREAM AND FURTHER VARYING THE INSTANT OF CUT-OFF INVERSELY WITH THE DENSITY OF THE MATERIAL BEING WEIGHED.
References Cited (Backward Citations)
US864460A
Cited
US2705607A
Cited
US2938701A
Cited
US2868491A
Cited
US2922611A
Cited
US3076515A
Cited
US3106974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |