US3343655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Undulatory conveyor
Assignee: Individual
•
Filing: 1966-12-12
•
Granted: 1967-09-26
•
Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:02
CPC Classifications
B; B65; B65G; B65G25/00; B65G25/04; B65G25/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A CONVEYING APPARATUS FOR CONVEYING SOLID MATERIALS COMPRISING; A FLEXIBLE BELT, A PLURALITY OF BELT SUPPORTING MEANS TRANSVERSE TO THE LONGITUDINAL AXIS OF SAID BELT SPACED AT PREDETERMINED DISTANCES ALONG SAID BELT, MEANS TO ATTACH SAID FLEXIBLE BELT TO EACH OF SAID SUPPORTING MEANS AND MEANS TO RAISE AND LOWER SAID SUPPORTING MEANS IN SUBSTANTIALLY VERTICAL PLANE IN A TIMED RELATIONSHIP WHEREBY THERE IS IMPARTED TO SAID BELT AN UNDULATORY MOVEMENT HAVING A WAVE-LIKE APPEARANCE.
Claim 2
Dependent Claim
75 words
A CONVEYING APPARATUS FOR CONVEYING SOLID MATERIALS COMPRISING; A FLEXIBLE BELT, A PLURALITY OF BELT SUPPORTING MEANS TRANSVERSE TO THE LONGITUDINAL AXIS OF SAID BELT SPACED AT PREDETERMINED DISTANCES ALONG SAID BELT, MEANS TO ATTACH SAID FLEXIBLE BELT TO EACH OF SAID SUPPORTING MEANS AND MEANS TO RAISE AND LOWER SAID SUPPORTING MEANS IN SUBSTANTIALLY VERTICAL PLANE IN A TIMED RELATIONSHIP WHEREBY THERE IS IMPARTED TO SAID BELT AN UNDULATORY MOVEMENT HAVING A WAVE-LIKE APPEARANCE.
References Cited (Backward Citations)
US1958322A
Cited
US3297125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |