US3246117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding
Assignee: Babcock International Ltd
•
Filing: 1963-12-16
•
Granted: 1966-04-12
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Allan K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:26
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/0026; B23K9/0052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF MAKING A GAS-TIGHT INTEGRAL TUBE PANEL COMPOSED OF A PLURALITY OF SUBSTANTIALLY PARALLEL TUBES, SAID METHOD COMPRISING THE STEPS OF UNITING SAID TUBES INTO A PANEL BY UTILIZING A SHORT CIRCUIT GAS SHIELDED METAL ARC WELDING PROCESS TO FORM SEAL WELDS BETWEEN AND ALONG THE TUBES, INVERTING THE PANEL AND THEREAFTER UTILIZING A SPRAY TRANSFER GAS SHIELDED METAL ARC WELDING
Claim 2
Independent Claim
63 words
THE METHOD OF MAKING A GAS-TIGHT INTEGRAL TUBE PANEL COMPOSED OF A PLURALITY OF SUBSTANTIALLY PARALLEL TUBES, SAID METHOD COMPRISING THE STEPS OF UNITING SAID TUBES INTO A PANEL BY UTILIZING A SHORT CIRCUIT GAS SHIELDED METAL ARC WELDING PROCESS TO FORM SEAL WELDS BETWEEN AND ALONG THE TUBES, INVERTING THE PANEL AND THEREAFTER UTILIZING A SPRAY TRANSFER GAS SHIELDED METAL ARC WELDING
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |