US2464402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling heat in electric welding
Assignee: Yoder Co
•
Filing: 1944-06-29
•
Granted: 1949-03-15
•
Expires: 1964-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr George E Kentis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:22
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089014A
Cited
US1961256A
Cited
US2089029A
Cited
US2089015A
Cited
US2215576A
Cited
US2268498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |