US3365050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable gravel handling apparatus
Assignee: Machinery Inc
•
Filing: 1965-07-22
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Granted: 1968-01-23
•
Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:40
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/0007; B65; B65G; B65G21/00; B65G21/10; B65G21/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
92 words
IN A PORTABLE GRAVEL HANDLING APPARATUS, A CONVEYOR COMPRISING A FRAME HAVING TWO RELATIVELY SLIDABLE SECTIONS FOR EXTENSION AND CONTRACTION, PULLEYS AT THE END PORTIONS OF THE FRAME, AN ENDLESS BELT TRAINED ABOUT SAID PULLEYS, FLUID POWER MEANS TO EXTEND SAID SECTIONS AND TIGHTEN SAID BELT AND A REEL CARRIED BY ONE OF SAID SECTIONS HAVING AN ARM FOR ENGAGING THE BELT IN SLACK CONDITION DUE TO CONTRACTION OF SAID SECTIONS BUT STILL IN ENDLESS EMBRACING RELATION WITH SAID PULLEYS, SAID REEL BEING ROTATABLE TO TAKE UP THE SLACK IN THE BELT.
Claim 2
Dependent Claim
92 words
IN A PORTABLE GRAVEL HANDLING APPARATUS, A CONVEYOR COMPRISING A FRAME HAVING TWO RELATIVELY SLIDABLE SECTIONS FOR EXTENSION AND CONTRACTION, PULLEYS AT THE END PORTIONS OF THE FRAME, AN ENDLESS BELT TRAINED ABOUT SAID PULLEYS, FLUID POWER MEANS TO EXTEND SAID SECTIONS AND TIGHTEN SAID BELT AND A REEL CARRIED BY ONE OF SAID SECTIONS HAVING AN ARM FOR ENGAGING THE BELT IN SLACK CONDITION DUE TO CONTRACTION OF SAID SECTIONS BUT STILL IN ENDLESS EMBRACING RELATION WITH SAID PULLEYS, SAID REEL BEING ROTATABLE TO TAKE UP THE SLACK IN THE BELT.
Claim 3
Dependent Claim
98 words
IN AN APPARATUS AS IN CLAIM 1 WHEREIN THERE IS AN AXLE WITH WHEELS AT THE ENDS THEREOF, POWER MEANS HAVING TWO TELESCOPING PARTS ONE OF WHICH IS ATTACHED TO THE AXLE AND THE OTHER OF WHICH IS ATTACHED TO THE FRAME, A LEG AT ONE END OF THE FRAME FOR ENGAGING THE WHEEL SUPPORTING SURFACE AND FLUID MEANS FOR EXPANDING THE TELESCOPING PARTS TO LIFT THE FRAME WITH REFERENCE TO SAID AXLE INITIALLY INCLINING THE FRAME TO ENGAGE THE LEG WITH THE SUPPORTING SURFACE AND THEN FURTHER INCLINING THE FRAME WITH THE LEG ACTING AS A FULCRUM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |