US3410983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for resistance welding and testing
Assignee: Individual
•
Filing: 1965-06-08
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Granted: 1968-11-12
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Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Deutsch Karl
- 👤 Wilkens Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:24
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/228; B; B23; B23K; B23K11/00; B23K11/10; B23K11/12; B23K11/24; B23K11/25; G01N29/227; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02872; G01N2291/04; G01N2291/048; G01N2291/10; G01N2291/102; G01N2291/26; G01N2291/267; G01N2291/2672; G01N2291/2677
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |