US3263799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor belt
Assignee: United States Steel Corp
•
Filing: 1964-02-27
•
Granted: 1966-08-02
•
Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Richard E Bascom
- 👤 Frederick A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:36
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/54; B65G17/00; B65G17/06; B65G17/08; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A CONVEYOR BELT COMPRISING PLURALITY OF CONNECTED HELICAL METAL WIRE COILS OF SUBSTANTIALLY RECTANGULAR SECTION, SAID COILS BEING DISPOSED WITH THEIR AXES EXTENDING ACROSS THE WIDTH OF THE BELT AND HAVING THEIR WINDINGS OVERLAPPING ONE ANOTHER, FLAT METAL STRIPS EXTENDING ACROSS THE WIDTH OF SAID BELT AND EACH STRIP INSERTED THROUGH TWO OF SAID COILS IN THE AREA WHERE SAID COILS OVERLAP, EACH STRIP HAVING A WIDTH SEVERAL TIMES ITS EDGE THICKNESS AND STANDING ON SAID EDGE WITH ITS WIDE SURFACE PERPENDICULAR TO THE BELT SURFACES AND ITS EDGES IN CLOSE PROXIMITY TO THE INSIDE OF ITS ASSOCIATED COIL, AND MEANS SECURING EACH STRIP TO ONLY ONE FO THE COILS THROUGH WHICH IT PASSES.
Claim 2
Dependent Claim
114 words
A CONVEYOR BELT COMPRISING PLURALITY OF CONNECTED HELICAL METAL WIRE COILS OF SUBSTANTIALLY RECTANGULAR SECTION, SAID COILS BEING DISPOSED WITH THEIR AXES EXTENDING ACROSS THE WIDTH OF THE BELT AND HAVING THEIR WINDINGS OVERLAPPING ONE ANOTHER, FLAT METAL STRIPS EXTENDING ACROSS THE WIDTH OF SAID BELT AND EACH STRIP INSERTED THROUGH TWO OF SAID COILS IN THE AREA WHERE SAID COILS OVERLAP, EACH STRIP HAVING A WIDTH SEVERAL TIMES ITS EDGE THICKNESS AND STANDING ON SAID EDGE WITH ITS WIDE SURFACE PERPENDICULAR TO THE BELT SURFACES AND ITS EDGES IN CLOSE PROXIMITY TO THE INSIDE OF ITS ASSOCIATED COIL, AND MEANS SECURING EACH STRIP TO ONLY ONE FO THE COILS THROUGH WHICH IT PASSES.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |