US3416217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making laminated sheet metal from reclaimed tinned metal waste pieces
Assignee: Individual
•
Filing: 1966-04-01
•
Granted: 1968-12-17
•
Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Fred M Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:14
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; Y; Y10; Y10S; Y10S52/00; Y10S52/09; Y10T; Y10T29/00; Y10T29/49; Y10T29/49751; Y10T29/49753; Y10T29/49826; Y10T29/49908; Y10T29/49915
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |