Patent US3271657A successfully refreshed from Google Patents.
US3271657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding systems and associated adjustable welding reactor
Assignee: Glenn Pacific Corp
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Filing: 1965-06-23
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Granted: 1966-09-06
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Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 William W Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:35
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/1006; B23K9/1012; H; H01; H01F; H01F29/00; H01F29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A WELDING CIRCUIT COMPRISING MEANS FOR REDUCING POWER LINE VOLTAGE TO A WELDING VOLTAGE, AN ADJUSTABLE REACTOR INCLUDING A WINDING ON AN IRON CORE HAVING AIR GAP SPACE GIVING SAID CORE A RELUCTANCE WHICH VARIES NOT MORE THAN PLUS OR MINUS 3% FROM THE MEAN VALUE OF CURRENT RANGING FROM A MINIMUM VALUE TO SHORT CIRCUIT CURRENT, MEANS FOR CONNECTING SAID REACTOR WINDING TO SAID VOLTAGE, REDUCING MEANS, AND AN ADJUSTABLE CONNECTION ON SAID REACTOR WINDING.
Claim 2
Dependent Claim
76 words
A WELDING CIRCUIT COMPRISING MEANS FOR REDUCING POWER LINE VOLTAGE TO A WELDING VOLTAGE, AN ADJUSTABLE REACTOR INCLUDING A WINDING ON AN IRON CORE HAVING AIR GAP SPACE GIVING SAID CORE A RELUCTANCE WHICH VARIES NOT MORE THAN PLUS OR MINUS 3% FROM THE MEAN VALUE OF CURRENT RANGING FROM A MINIMUM VALUE TO SHORT CIRCUIT CURRENT, MEANS FOR CONNECTING SAID REACTOR WINDING TO SAID VOLTAGE, REDUCING MEANS, AND AN ADJUSTABLE CONNECTION ON SAID REACTOR WINDING.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |