US3044328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural step pressure welding apparatus
Assignee: ZF Active Safety US Inc
•
Filing: 1959-01-28
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Granted: 1962-07-17
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Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Zysk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:23
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/02; B23K20/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1393040A
Cited
US2205079A
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US2357204A
Cited
US2364938A
Cited
US2553466A
Cited
US2863344A
Cited
US2932221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |