US3148264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preset, interchangeable welding heads
Assignee: SLEE SUPERIOR WELDING EQUIPMENT Corp A CORP OF RI
•
Filing: 1961-08-11
•
Granted: 1964-09-08
•
Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jr William Van Alan Clark
- 👤 Taber Philip
- 👤 Richard M Steigerwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:06
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31; B23K11/318; B23K11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
ELECTRIC WELDING APPARATUS COMPRISING IN COMBINATION ENERGY SUPPLY MEANS, AND A WELDING HEAD REMOVABLY SECURED TO SAID SUPPLY MEANS, SAID HEAD INCLUDING; A PAIR OF OPPOSED ELECTRODES, MEANS BIASING THE TIPS OF SAID ELECTRODES TOWARD EACH OTHER WITH A SUBSTANTIALLY CONSTANT PREDETERMINED FORCE, SEPARATION MEANS NORMALLY HOLDING THE ELECTRODE TIPS IN SPACED RELATION TO ALLOW INSERTION OF A WORKPIECE TO BE WELDED THEREBETWEEN, MEANS TO ADJUST THE PRELOAD OF SAID BIAS MEANS, MEANS ELECTRICALLY CONNECTING SAID ELECTRODES TO THE OUTPUT OF SAID SUPPLY
Claim 2
Dependent Claim
83 words
ELECTRIC WELDING APPARATUS COMPRISING IN COMBINATION ENERGY SUPPLY MEANS, AND A WELDING HEAD REMOVABLY SECURED TO SAID SUPPLY MEANS, SAID HEAD INCLUDING; A PAIR OF OPPOSED ELECTRODES, MEANS BIASING THE TIPS OF SAID ELECTRODES TOWARD EACH OTHER WITH A SUBSTANTIALLY CONSTANT PREDETERMINED FORCE, SEPARATION MEANS NORMALLY HOLDING THE ELECTRODE TIPS IN SPACED RELATION TO ALLOW INSERTION OF A WORKPIECE TO BE WELDED THEREBETWEEN, MEANS TO ADJUST THE PRELOAD OF SAID BIAS MEANS, MEANS ELECTRICALLY CONNECTING SAID ELECTRODES TO THE OUTPUT OF SAID SUPPLY
References Cited (Backward Citations)
US1610616A
Cited
US2448865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |