Patent US3194936A successfully refreshed from Google Patents.
US3194936A
Expired / Lapsed
US
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Welded connection, method and apparatus
Assignee: ADVANCED ROBOTICS Corp
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Filing: 1962-03-30
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Granted: 1965-07-13
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Roderick G Rohrberg
- 👤 Harry J Heckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:27
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN WELDING APPARATUS FOR FORMING AN ANNULAR WELD BEAD ON A SUBSTANTIALLY CYLINDRICAL WORKPIECE PORTION; STATIONARY CHAMBER MEANS INCLUDING A CHAMBER FOR SURROUNDING THE WELD AREA WITH AN INERT GAS, MOVABLE SUPPORT MEANS MOUNTED WITHIN SAID CHAMBER FOR ROTATION RELATIVE TO SAID CHAMBER MEANS AND SAID WORKPIECE, A SOURCE OF WELDING HEAT MOUNTED ON SAID MOVABLE SUPPORT MEANS, MEANS FOR SUPPLYING INERT GAS TO SAID CHAMBER, AND MEANS FOR CAUSING ROTATION OF SAID MOVABLE SUPPORT
Claim 2
Dependent Claim
75 words
IN WELDING APPARATUS FOR FORMING AN ANNULAR WELD BEAD ON A SUBSTANTIALLY CYLINDRICAL WORKPIECE PORTION; STATIONARY CHAMBER MEANS INCLUDING A CHAMBER FOR SURROUNDING THE WELD AREA WITH AN INERT GAS, MOVABLE SUPPORT MEANS MOUNTED WITHIN SAID CHAMBER FOR ROTATION RELATIVE TO SAID CHAMBER MEANS AND SAID WORKPIECE, A SOURCE OF WELDING HEAT MOUNTED ON SAID MOVABLE SUPPORT MEANS, MEANS FOR SUPPLYING INERT GAS TO SAID CHAMBER, AND MEANS FOR CAUSING ROTATION OF SAID MOVABLE SUPPORT
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |