US3131647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trolley feed unit
Assignee: Chemetron Process Equipment Inc
•
Filing: 1962-09-17
•
Granted: 1964-05-05
•
Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Richard A Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:48
CPC Classifications
B; B65; B65G; B65G9/00; B65G9/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN INTERMITTENT FEED MECHANISM, FOR ROW OF RAILSUPPORTED LOAD-CARRYING TROLLEYS, COMPRISING MEANS TO ADVANCE THE TROLLEYS SIMULTANEOUSLY A PREDETERMINED DISTANCE WHILE MAINTAINING THE TROLLEYS EQUALLY SPACED APART, SUCH MEANS INCLUDING A RAM HAVING A RECIPROCATING STROKE SUFFICIENT TO ADVANCE THE TROLLEYS SUCH PREDETERMINED DISTANCE, ANOTHER TROLLEY ALINED WITH BUT SPACED FROM THE ENDMOST TROLLEY OF THE ROW, BEFORE SUCH ROW IS ADVANCED, A DISTANCE GREATER THAN SAID PREDETERMINED DISTANCE, ANOTHER RAM TO ADVANCE SAID OTHER TROLLEY TO THE POSITION INITIALLY OCCUPIED BY SAID ENDMOST TROLLEY OF THE ROW, AND MEANS CONTROLLING THE MOVEMENT OF THE RAMS SIMULTANEOUSLY AND SO THAT THE ROW-ADVANCING STROKE OF THE FIRST
Claim 2
Dependent Claim
106 words
AN INTERMITTENT FEED MECHANISM, FOR ROW OF RAILSUPPORTED LOAD-CARRYING TROLLEYS, COMPRISING MEANS TO ADVANCE THE TROLLEYS SIMULTANEOUSLY A PREDETERMINED DISTANCE WHILE MAINTAINING THE TROLLEYS EQUALLY SPACED APART, SUCH MEANS INCLUDING A RAM HAVING A RECIPROCATING STROKE SUFFICIENT TO ADVANCE THE TROLLEYS SUCH PREDETERMINED DISTANCE, ANOTHER TROLLEY ALINED WITH BUT SPACED FROM THE ENDMOST TROLLEY OF THE ROW, BEFORE SUCH ROW IS ADVANCED, A DISTANCE GREATER THAN SAID PREDETERMINED DISTANCE, ANOTHER RAM TO ADVANCE SAID OTHER TROLLEY TO THE POSITION INITIALLY OCCUPIED BY SAID ENDMOST TROLLEY OF THE ROW, AND MEANS CONTROLLING THE MOVEMENT OF THE RAMS SIMULTANEOUSLY AND SO THAT THE ROW-ADVANCING STROKE OF THE FIRST
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |