US3426564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic forming apparatus
Assignee: Gulf General Atomic Inc
•
Filing: 1967-05-31
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Granted: 1969-02-11
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Expires: 1987-05-31
Abstract
No abstract record available.
Inventors
- 👤 Hansjorg Jansen
- 👤 Paul Wildi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:25
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/02; B67B3/10; B21; B21D; B21D26/00; B21D26/14; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49803
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |