US3255336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding machine
Assignee: HYDYN CO
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Filing: 1963-02-07
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Granted: 1966-06-07
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Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Howard M Purcell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:40
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A WELDING MACHINE, HEAD MEANS OPERABLE TO CLAMPINGLY RECEIVE THEREBETWEEN AND TO ROTATE A PAIR OF ABUTTING MEMBERS, WELDING MEANS INCLUDING A NOZZLE ADJACENT THE REGION OF ABUTMENT OF SAID MEMBERS OPERABLE FOR WELDING THE MEMBERS TOGETHER DURING ROTATION THEREOF, MEANS TO INITIATE ROTATION OF SAID HEAD MEANS WHILE SIMULTANEOUSLY ACTUATING SAID WELDING MEANS, CONTROL SWITCH, A CAM CONTROLLING SAID SWITCH, DRIVE MEANS CONNECTING SAID CAM TO SAID HEAD MEANS FOR DRIVING OF THE CAM IN SYNCHRONISM WITH THE HEAD MEANS, SAID CAM BEING ARRANGED TO ACTUATE SAID SWITCH MEANS AFTER ONE COMPLETE REVOLUTION OF SAID HEAD MEANS AND CONTROL MEANS CONNECTED TO SAID SWITCH MEANS AND ACTUATED BY THE SWITCH MEANS UPON ACTUATION OF THE LATTER BY SAID CAM, SAID CONTROL MEANS INCLUDING MEANS FOR INTERRUPTING OPERATION OF SAID HEAD MEANS AND SAID WELDING MEANS A PREDETERMINED TIME AFTER THE HEAD MEANS HAS COMPLETED ONE REVOLUTION TO PROVIDE FOR MORE THAN 360* OF WELDING ON SAID MEMBERS.
Claim 2
Dependent Claim
159 words
IN A WELDING MACHINE, HEAD MEANS OPERABLE TO CLAMPINGLY RECEIVE THEREBETWEEN AND TO ROTATE A PAIR OF ABUTTING MEMBERS, WELDING MEANS INCLUDING A NOZZLE ADJACENT THE REGION OF ABUTMENT OF SAID MEMBERS OPERABLE FOR WELDING THE MEMBERS TOGETHER DURING ROTATION THEREOF, MEANS TO INITIATE ROTATION OF SAID HEAD MEANS WHILE SIMULTANEOUSLY ACTUATING SAID WELDING MEANS, CONTROL SWITCH, A CAM CONTROLLING SAID SWITCH, DRIVE MEANS CONNECTING SAID CAM TO SAID HEAD MEANS FOR DRIVING OF THE CAM IN SYNCHRONISM WITH THE HEAD MEANS, SAID CAM BEING ARRANGED TO ACTUATE SAID SWITCH MEANS AFTER ONE COMPLETE REVOLUTION OF SAID HEAD MEANS AND CONTROL MEANS CONNECTED TO SAID SWITCH MEANS AND ACTUATED BY THE SWITCH MEANS UPON ACTUATION OF THE LATTER BY SAID CAM, SAID CONTROL MEANS INCLUDING MEANS FOR INTERRUPTING OPERATION OF SAID HEAD MEANS AND SAID WELDING MEANS A PREDETERMINED TIME AFTER THE HEAD MEANS HAS COMPLETED ONE REVOLUTION TO PROVIDE FOR MORE THAN 360* OF WELDING ON SAID MEMBERS.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |