US3253692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cart-lifting apparatus with stationary stairs
Assignee: Individual
•
Filing: 1963-04-11
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Granted: 1966-05-31
•
Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ota Isamu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:50
CPC Classifications
B; B66; B66B; B66B31/00; B66B31/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A CONVEYOR SYSTEM COMPRISING AND ENDLESS BELT BODY HAVING PILES OF FIBERS ON AT LEAST ONE FACE MAKING AN ACUTE ANGLE THEREWITH AND MEANS FOR DRIVING SAID BELT COMPRISING A PULLEY HAVING PILES OF FIBERS ON THE FACE THEREOF INTERDIGITATED WITH THE PILES ON THE BELT, AND A LOAD ON SAID CONVEYOR HAVING PILES OF FIBERS INTERDIGITATED WITH THE PILES ON THE BELT.
Claim 2
Dependent Claim
63 words
A CONVEYOR SYSTEM COMPRISING AND ENDLESS BELT BODY HAVING PILES OF FIBERS ON AT LEAST ONE FACE MAKING AN ACUTE ANGLE THEREWITH AND MEANS FOR DRIVING SAID BELT COMPRISING A PULLEY HAVING PILES OF FIBERS ON THE FACE THEREOF INTERDIGITATED WITH THE PILES ON THE BELT, AND A LOAD ON SAID CONVEYOR HAVING PILES OF FIBERS INTERDIGITATED WITH THE PILES ON THE BELT.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |