Patent US3124271A successfully refreshed from Google Patents.
Patent US3208401A successfully refreshed from Google Patents.
US3208401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor system
Assignee: Individual
•
Filing: 1963-11-07
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Granted: 1965-09-28
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Expires: 1983-11-07
Abstract
No abstract record available.
Inventors
- 👤 Freeman Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:57
CPC Classifications
B; B65; B65G; B65G25/00; B65G25/04; B65G25/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A CONVEYOR SYSTEM COMPRISING, IN COMBINATION, A TRACKWAY, A PLURALITY OF SECTIONS OF LINEAR DRIVE MEANS EXTENDING ALONG RESPECTIVE PORTIONS OF SAID TRACKWAY, EACH OF SAID SECTIONS HAVING DRIVE ELEMETNS REGULARLY SPACED THEREALONG, MEANS FOR EFFECTING DIFFERENT STROKES OF RECIPROCATORY TRAVEL TO EACH RESPECTIVE DRIVE MEANS, AND A PLURALITY OF CARRIERS ADAPTED TO RUN ALONG SAID TRACKWAY IN GUIDED FASHION AND EACH HAVING A PIVOTED CATCH DEVICE ARRANGED TO CO-OPERATE WITH THE SAID DRIVE ELEMENTS, WHEREBY WHEN EACH SECTION OF SAID LINEAR DRIVING MEANS IS TRAVELING IN ONE DIRECTION AT LEAST ONE OF SAID CARRIERS MAY BE COUPLED THERETO BY CO-OPERATION OF THE CATCH DEVICE THEREOF WITH ONE OF DRIVE ELEMENTS FOR TRAVEL THROUGH THE STROKE OF SAID SECTION AND WHEN EACH SECTION OF SAID DRIVE MEANS IS TRAVELLING IN THE OPPOSITE DIRECTION THE CATCH DEVICE THEREOF IS RELEASED FROM THE RELEVANT DRIVE ELEMENT AND THE CARRIER IS BY-PASSED BY THE LATTER, AND THE CARRIERS ARE DRIVEN AT DIFFERENT SPEEDS ALONG PORTIONS OF SAID TRACKWAY ASSOCIATED WITH SAID DIFFERENT SECTIONS OF LINEAR DRIVE MEANS.
Claim 2
Dependent Claim
174 words
A CONVEYOR SYSTEM COMPRISING, IN COMBINATION, A TRACKWAY, A PLURALITY OF SECTIONS OF LINEAR DRIVE MEANS EXTENDING ALONG RESPECTIVE PORTIONS OF SAID TRACKWAY, EACH OF SAID SECTIONS HAVING DRIVE ELEMETNS REGULARLY SPACED THEREALONG, MEANS FOR EFFECTING DIFFERENT STROKES OF RECIPROCATORY TRAVEL TO EACH RESPECTIVE DRIVE MEANS, AND A PLURALITY OF CARRIERS ADAPTED TO RUN ALONG SAID TRACKWAY IN GUIDED FASHION AND EACH HAVING A PIVOTED CATCH DEVICE ARRANGED TO CO-OPERATE WITH THE SAID DRIVE ELEMENTS, WHEREBY WHEN EACH SECTION OF SAID LINEAR DRIVING MEANS IS TRAVELING IN ONE DIRECTION AT LEAST ONE OF SAID CARRIERS MAY BE COUPLED THERETO BY CO-OPERATION OF THE CATCH DEVICE THEREOF WITH ONE OF DRIVE ELEMENTS FOR TRAVEL THROUGH THE STROKE OF SAID SECTION AND WHEN EACH SECTION OF SAID DRIVE MEANS IS TRAVELLING IN THE OPPOSITE DIRECTION THE CATCH DEVICE THEREOF IS RELEASED FROM THE RELEVANT DRIVE ELEMENT AND THE CARRIER IS BY-PASSED BY THE LATTER, AND THE CARRIERS ARE DRIVEN AT DIFFERENT SPEEDS ALONG PORTIONS OF SAID TRACKWAY ASSOCIATED WITH SAID DIFFERENT SECTIONS OF LINEAR DRIVE MEANS.
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |