US1663970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for the electric welding of can bodies
Assignee: MAX AMS MACHINE CO
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Filing: 1925-07-01
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Granted: 1928-03-27
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Expires: 1945-07-01
Abstract
No abstract record available.
Inventors
- 👤 Brenzinger Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:26
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/08; B23K11/087; B23K11/0873; B23K11/0876
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) | 1931-03-27 | 1931-09-26 | 1932-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-27 | 1935-09-26 | 1936-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-27 | 1939-09-26 | 1940-03-27 | $7700.00 | Window Closed / Lapsed |