US3469055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact matrix for a wire mesh welding machine
Assignee: EVG Entwicklungs und Verwertungs GmbH
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Filing: 1967-01-24
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Granted: 1969-09-23
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Hans Gott
- 👤 Josef Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:57
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/008; B23K11/0086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |