Patent US2267503A successfully refreshed from Google Patents.
Patent US2036041A successfully refreshed from Google Patents.
US2036041A
Expired / Lapsed
US
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Resistance welding
Assignee: General Electric Co
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Filing: 1935-10-29
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Granted: 1936-03-31
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Expires: 1955-10-29
Abstract
No abstract record available.
Inventors
- 👤 John C Granfield
- 👤 Jacob J Vienneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:41
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-03-31 | 1939-09-30 | 1940-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-31 | 1943-09-30 | 1944-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-31 | 1947-09-30 | 1948-03-31 | $7700.00 | Window Closed / Lapsed |