US3345954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain-conveyor
Assignee: HJORT CONVEYOR AS
•
Filing: 1965-02-01
•
Granted: 1967-10-10
•
Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Valentin-Hjorth Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:48
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/20; B65G21/22; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
CONVEYOR APPARATUS COMPRISING: UPPER AND LOWER INTERCONNECTED PROFILE RAILS, SAID UPPER RAIL HAVING AN UPWARD OPENING LONGITUDINAL SLIT, AND SAID LOWER RAIL HAVING A DOWNWARDOPENING LONGITUDINAL SLIT; A CIRCULATING DRIVING CHAIN MOUNTED WITHIN SAID UPPER RAIL; A PLURALITY OF LOAD CARRYING TROLLEYS MOUNTED IN SAID LOWER RAIL; AND A PLURALITY OF DRAGGING MEMBERS MOUNTED ON SAID CHAIN, EXTENDED THROUGH THE SLIT IN THE UPPER RAIL, AND ADAPTED FOR CONNECTION TO SAID TROLLEYS.
Claim 2
Dependent Claim
72 words
CONVEYOR APPARATUS COMPRISING: UPPER AND LOWER INTERCONNECTED PROFILE RAILS, SAID UPPER RAIL HAVING AN UPWARD OPENING LONGITUDINAL SLIT, AND SAID LOWER RAIL HAVING A DOWNWARDOPENING LONGITUDINAL SLIT; A CIRCULATING DRIVING CHAIN MOUNTED WITHIN SAID UPPER RAIL; A PLURALITY OF LOAD CARRYING TROLLEYS MOUNTED IN SAID LOWER RAIL; AND A PLURALITY OF DRAGGING MEMBERS MOUNTED ON SAID CHAIN, EXTENDED THROUGH THE SLIT IN THE UPPER RAIL, AND ADAPTED FOR CONNECTION TO SAID TROLLEYS.
References Cited (Backward Citations)
US1902873A
Cited
US2702114A
Cited
FR1164995A
Cited
US3081172A
Cited
US3028455A
Cited
FR1295570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |