Patent US3103388A successfully refreshed from Google Patents.
US3103388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed pneumatic conveyor
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
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Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:52
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/02; B65G51/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PNEUMATIC CONVEYOR FOR OBJECTS OF DIFFERENT SIZES COMPRISING A TRACK MEMBER HAVING A LONGITUDINALLY EXTENDING UPON CHANNEL FOR RECEIVING THE OBJECTS, SAID CHANNEL BEING A COMPOUND GROOVE IN TRANSVERSE CROSS-SECTION INCLUDING A LARGER GROOVE AND A SMALLER GROOVE EACH SYMMETRICAL ABOUT A CENTER LINE, SAID SMALLER GROOVE OPENING UPWARDLY AT ITS WIDEST DIMENSION INTO SAID LARGER GROOVE, BOTH OF SAID GROOVES BEING ARCUATE TO RECEIVE OBJECTS OF DIFFERENT SIZES, MEANS DEFINING A PLURALITY OF PNEUMATIC PASSAGEWAYS IN SAID TRACK MEMBER EACH OPENING INTO SAID SMALLER GROOVE AND BEING FORMED TO DISCHARGE STREAMS OF PNEUMATIC FLUID DIRECTED INTO SAID SMALLER GROOVE AND TOWARD THE DESIRED DIRECTION OF TRAVEL OF THE OBJECTS IN SAID CHANNEL, AND MEANS FOR SUPPLYING PNEUMATIC FLUID TO SAID PASSAGEWAYS TO SIMULTANEOUSLY LIFT THE OBJECTS AND CONVEY THEM TOWARD ONE END OF SAID CHANNEL.
Claim 2
Dependent Claim
137 words
A PNEUMATIC CONVEYOR FOR OBJECTS OF DIFFERENT SIZES COMPRISING A TRACK MEMBER HAVING A LONGITUDINALLY EXTENDING UPON CHANNEL FOR RECEIVING THE OBJECTS, SAID CHANNEL BEING A COMPOUND GROOVE IN TRANSVERSE CROSS-SECTION INCLUDING A LARGER GROOVE AND A SMALLER GROOVE EACH SYMMETRICAL ABOUT A CENTER LINE, SAID SMALLER GROOVE OPENING UPWARDLY AT ITS WIDEST DIMENSION INTO SAID LARGER GROOVE, BOTH OF SAID GROOVES BEING ARCUATE TO RECEIVE OBJECTS OF DIFFERENT SIZES, MEANS DEFINING A PLURALITY OF PNEUMATIC PASSAGEWAYS IN SAID TRACK MEMBER EACH OPENING INTO SAID SMALLER GROOVE AND BEING FORMED TO DISCHARGE STREAMS OF PNEUMATIC FLUID DIRECTED INTO SAID SMALLER GROOVE AND TOWARD THE DESIRED DIRECTION OF TRAVEL OF THE OBJECTS IN SAID CHANNEL, AND MEANS FOR SUPPLYING PNEUMATIC FLUID TO SAID PASSAGEWAYS TO SIMULTANEOUSLY LIFT THE OBJECTS AND CONVEY THEM TOWARD ONE END OF SAID CHANNEL.
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |