Patent US2738550A successfully refreshed from Google Patents.
US2738550A
Expired / Lapsed
US
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Machine for dispensing predetermined quantities of material in loose or compressed form
Assignee: British Industrial Plastics Ltd
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Filing: 1952-11-25
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Granted: 1956-03-20
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Expires: 1972-11-25
Abstract
No abstract record available.
Inventors
- 👤 Groves Walter Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:27
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/025; B65; B65B; B65B1/00; B65B1/30; B65B1/36; B65B1/38; G; G01; G01F; G01F11/00; G01F11/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A MACHINE FOR DISPENSING PREDETERMINED QUANTITIES OF POWDER OR GRANULAR MATERIAL COMPRISING A FIRST LONGITUDINAL MEMBER, A SECOND LONGITUDINAL MEMBER ALIGNED WITH A SPACED APART FROM THE FIRST SAID LONGITUDINAL MEMBER TO LEAVE A GAP OF PREDETERMINED LENGTH, A SLEEVE MOUNTED FOR MOVEMENT IN THE DIRECTION OF ALIGNMENT OF SAID FIRST AND SECOND LONGITUDINAL MEMBERS AND HAVING AN INTERNAL SIZE SO RELATED TO THE OUTSIDE DIMENSION OF EACH OF SAID LONGITUDINAL MEMBERS AS TO FIT AROUND EACH OF SAID MEMBERS IN SLIDING CONTACT THEREWITH, A SUPPLY CONTAINER FOR HOLDING SAID MATERIAL AND MOUNTED FOR MOVEMENT WITH SAID SLEEVE, AND MEANS FOR MOVING THE SAID SLEEVE AND SUPPLY CONTAINER ALONG SAID LONGITUDINAL MEMBERS FROM A FIRST POSITION WHERE THE SLEEVE LIES ON THE SAID FIRST MEMBER ONLY AND WHERE THE SUPPLY CONTAINER SURROUNDS THE
Claim 2
Dependent Claim
133 words
A MACHINE FOR DISPENSING PREDETERMINED QUANTITIES OF POWDER OR GRANULAR MATERIAL COMPRISING A FIRST LONGITUDINAL MEMBER, A SECOND LONGITUDINAL MEMBER ALIGNED WITH A SPACED APART FROM THE FIRST SAID LONGITUDINAL MEMBER TO LEAVE A GAP OF PREDETERMINED LENGTH, A SLEEVE MOUNTED FOR MOVEMENT IN THE DIRECTION OF ALIGNMENT OF SAID FIRST AND SECOND LONGITUDINAL MEMBERS AND HAVING AN INTERNAL SIZE SO RELATED TO THE OUTSIDE DIMENSION OF EACH OF SAID LONGITUDINAL MEMBERS AS TO FIT AROUND EACH OF SAID MEMBERS IN SLIDING CONTACT THEREWITH, A SUPPLY CONTAINER FOR HOLDING SAID MATERIAL AND MOUNTED FOR MOVEMENT WITH SAID SLEEVE, AND MEANS FOR MOVING THE SAID SLEEVE AND SUPPLY CONTAINER ALONG SAID LONGITUDINAL MEMBERS FROM A FIRST POSITION WHERE THE SLEEVE LIES ON THE SAID FIRST MEMBER ONLY AND WHERE THE SUPPLY CONTAINER SURROUNDS THE
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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |