Patent US4541966A successfully refreshed from Google Patents.
Patent US3228311A successfully refreshed from Google Patents.
US3228311A
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Assignee: F F MENGEL Co
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Filing: 1962-05-15
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Granted: 1966-01-11
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Expires: 1982-05-15
Abstract
No abstract record available.
Inventors
- 👤 William F Mengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:45
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/18; E01C19/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
APPARATUS FOR DISTRIBUTING CONCRETE AND LIKE MATERIAL AND COMPRISING, IN COMBINATION, A FRAME, AN ELONGATED CONVEYOR, FIRST AND SECOND ELONGATED BOOMS ARRANGED END-TO-END AND EXTENDING LONGITUDINALLY OF SAID CONVEYOR, MEANS PIVOTALLY CONNECTING THE ADJACENT ENDS OF EACH OF SAID BOOMS TO SAID FRAME, MEANS CONNECTING THE OTHER END OF EACH OF THE BOOMS TO SAID CONVEYOR ADJACENT THE OPPOSITE END OF SAID CONVEYOR AND PROVIDING A PIVOTAL CONNECTION BETWEEN SAID BOOMS AND SAID CONVEYOR, AND MEANS CONNECTED BETWEEN SAID FRAME AND SAID BOOM MEANS AND OPERATIVE SELECTIVELY TO PIVOT SAI BOOMS JOINTLY AND INDEPENDENTLY RELATIVE TO SAID FRAME AND ALSO OPERATIVE TO SELECTIVELY LOCK SAID B OOMS AGAINST MOVEMENT RELATIVE TO SAID FRAME SO THAT SAID CONVEYOR IS MOVABLE IN SAID APPARATUS AND IS SELECTIVELY PIVOTAL ABOUT EACH OF ITS ENDS.
Claim 2
Dependent Claim
131 words
APPARATUS FOR DISTRIBUTING CONCRETE AND LIKE MATERIAL AND COMPRISING, IN COMBINATION, A FRAME, AN ELONGATED CONVEYOR, FIRST AND SECOND ELONGATED BOOMS ARRANGED END-TO-END AND EXTENDING LONGITUDINALLY OF SAID CONVEYOR, MEANS PIVOTALLY CONNECTING THE ADJACENT ENDS OF EACH OF SAID BOOMS TO SAID FRAME, MEANS CONNECTING THE OTHER END OF EACH OF THE BOOMS TO SAID CONVEYOR ADJACENT THE OPPOSITE END OF SAID CONVEYOR AND PROVIDING A PIVOTAL CONNECTION BETWEEN SAID BOOMS AND SAID CONVEYOR, AND MEANS CONNECTED BETWEEN SAID FRAME AND SAID BOOM MEANS AND OPERATIVE SELECTIVELY TO PIVOT SAI BOOMS JOINTLY AND INDEPENDENTLY RELATIVE TO SAID FRAME AND ALSO OPERATIVE TO SELECTIVELY LOCK SAID B OOMS AGAINST MOVEMENT RELATIVE TO SAID FRAME SO THAT SAID CONVEYOR IS MOVABLE IN SAID APPARATUS AND IS SELECTIVELY PIVOTAL ABOUT EACH OF ITS ENDS.
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |