Patent US3145622A successfully refreshed from Google Patents.
US3145622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field machining apparatus
Assignee: Chicago Bridge and Iron Co
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Filing: 1962-03-05
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Granted: 1964-08-25
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Frank P Rust
- 👤 Edwin S Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:55
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q35/181; B23Q35/183; B23Q35/185; B23Q9/00; B23Q9/0014; B23Q9/0021; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/556; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303192; Y10T409/306216; Y10T409/306384
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN APPARATUS FOR FIELD MACHINING A SURFACE OF A WORKPIECE: A BOOM; A FRAME AT ONE END OF SAID BOOM; SAID FRAME BEING LOCATED ADJACENT SAID SURFACE TO BE MACHINED WHEN THE APPARATUS IS IN AN OPERATIVE POSITION; MEANS FOR MOVING SAID FRAME-END OF THE BOOM ALONG SAID SURFACE; A PAIR OF WHEEL MEANS EACH AT AN OPPOSITE END OF SAID FRAME AND EACH FOR RIDING ON THE SURFACE TO BE MACHINED AT A SPACED INTERVAL FROM THE OTHER WHEEL MEANS; A PAIR OF FLUID OPERATED CYLINDER MEANS ON SAID FRAME, ONE FOR EACH WHEEL MEANS; EACH OF SAID CYLINDER MEANS BEING AXIALLY DISPOSED TRANSVERSE TO THE AXIS OF SAID WHEEL MEANS; A PISTON IN EACH CYLINDER MEANS; A PISTON ROD EXTENDING FROM EACH CYLINDER MEANS TO A RESPECTIVE WHEEL MEANS AND CONNECTED THERETO;
Claim 2
Dependent Claim
134 words
IN APPARATUS FOR FIELD MACHINING A SURFACE OF A WORKPIECE: A BOOM; A FRAME AT ONE END OF SAID BOOM; SAID FRAME BEING LOCATED ADJACENT SAID SURFACE TO BE MACHINED WHEN THE APPARATUS IS IN AN OPERATIVE POSITION; MEANS FOR MOVING SAID FRAME-END OF THE BOOM ALONG SAID SURFACE; A PAIR OF WHEEL MEANS EACH AT AN OPPOSITE END OF SAID FRAME AND EACH FOR RIDING ON THE SURFACE TO BE MACHINED AT A SPACED INTERVAL FROM THE OTHER WHEEL MEANS; A PAIR OF FLUID OPERATED CYLINDER MEANS ON SAID FRAME, ONE FOR EACH WHEEL MEANS; EACH OF SAID CYLINDER MEANS BEING AXIALLY DISPOSED TRANSVERSE TO THE AXIS OF SAID WHEEL MEANS; A PISTON IN EACH CYLINDER MEANS; A PISTON ROD EXTENDING FROM EACH CYLINDER MEANS TO A RESPECTIVE WHEEL MEANS AND CONNECTED THERETO;
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |