US3125804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thomx
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:09
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/50; B; B23; B23K; B23K9/00; B23K9/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A WELDING PROCESS, THE STEPS OF COMPLETELY COVERING CONTINUOUS AREAS ON ONE SIDE OF THE WORK ALONG THE SEAM TO BE WELDED WITH ELECTRIC HEATER PADS IN DIRECT CONTACT ENGAGEMENT WITH THE WORK SURFACE, ENERGIZING SAID HEATER PADS TO PREHEAT THE WORK, PROGRESSIVELY UNCOVERING SUCCESSIVE REGIONS OF THE WORK ALONG THE PATH OF THE WELDED SEAM TO BE FORMED, FORMING SUCCESSIVE PORTIONS OF A WELDED SEAM IN THE UNCOVERED REGION AND PROGRESSIVELY RECOVERING SAID REGION AFTER THE FORMATION OF THE SEAM PORTION THEREIN.
Claim 2
Dependent Claim
84 words
IN A WELDING PROCESS, THE STEPS OF COMPLETELY COVERING CONTINUOUS AREAS ON ONE SIDE OF THE WORK ALONG THE SEAM TO BE WELDED WITH ELECTRIC HEATER PADS IN DIRECT CONTACT ENGAGEMENT WITH THE WORK SURFACE, ENERGIZING SAID HEATER PADS TO PREHEAT THE WORK, PROGRESSIVELY UNCOVERING SUCCESSIVE REGIONS OF THE WORK ALONG THE PATH OF THE WELDED SEAM TO BE FORMED, FORMING SUCCESSIVE PORTIONS OF A WELDED SEAM IN THE UNCOVERED REGION AND PROGRESSIVELY RECOVERING SAID REGION AFTER THE FORMATION OF THE SEAM PORTION THEREIN.
References Cited (Backward Citations)
US1361533A
Cited
US1542753A
Cited
US1902051A
Cited
US2184534A
Cited
US2229405A
Cited
US2873352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |