US2992319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of welding metal elements
Assignee: Magnetic Heating Corp
•
Filing: 1959-08-25
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Granted: 1961-07-11
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Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Robert J Stanton
- 👤 Schmidt Kurt
- 👤 Wallace C Rudd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/22; H01B13/26; H01B13/2613; H01B13/2633; H01B13/264; B; B23; B23K; B23K13/00; B23K13/04; B23K13/043; B23K13/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1220774A
Cited
US1502052A
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US2233233A
Cited
US2629806A
Cited
US2697772A
Cited
US2794108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |