US3481013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making metal foils
Assignee: Individual
•
Filing: 1967-01-09
•
Granted: 1969-12-02
•
Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Walter Dannohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:52
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/02; B22; B22F; B22F3/00; B22F3/18; B22F2998/00; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T29/301; Y10T29/303; Y10T29/304; Y10T29/49; Y10T29/49801; Y10T29/4981; Y10T29/49812
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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |