US2894322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cold pressure welding metal foil
Assignee: ZF Active Safety US Inc
•
Filing: 1956-08-15
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Granted: 1959-07-14
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Expires: 1976-08-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Verne Clair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/02
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) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |