US3204083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low heat plug weld method and apparatus
Assignee: Lockheed Martin Corp
•
Filing: 1963-03-25
•
Granted: 1965-08-31
•
Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Fromm
- 👤 Robert H Kilpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:19
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A MEMBER HAVING A PAIR OF OPPOSED SURFACES A PLUG WELD HOLE EXTENDING THROUGH SAID MEMBER BETWEEN SAID SURFACES FOR PERMITTING WELDING OF SAID MEMBER TO ANOTHER MEMBER, SAID PLUG WELD HOLE HAVING A FIRST CROSS-SECTIONAL AREA INTERSECTING THE FIRST SURFACE OF SAID MEMBER, AND A FLANGE PROXIMATE THE OTHER SURFACE OF SAID MEMBER FORMING A REDUCED CROSS-SECTIONAL AREA OF THE PLUG WELD HOLD THEREAT WITH RESPECT TO SAID FIRST CROSS-SECTIONAL AREA.
Claim 2
Dependent Claim
73 words
IN A MEMBER HAVING A PAIR OF OPPOSED SURFACES A PLUG WELD HOLE EXTENDING THROUGH SAID MEMBER BETWEEN SAID SURFACES FOR PERMITTING WELDING OF SAID MEMBER TO ANOTHER MEMBER, SAID PLUG WELD HOLE HAVING A FIRST CROSS-SECTIONAL AREA INTERSECTING THE FIRST SURFACE OF SAID MEMBER, AND A FLANGE PROXIMATE THE OTHER SURFACE OF SAID MEMBER FORMING A REDUCED CROSS-SECTIONAL AREA OF THE PLUG WELD HOLD THEREAT WITH RESPECT TO SAID FIRST CROSS-SECTIONAL AREA.
References Cited (Backward Citations)
US2860230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |