US2815568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of joining or uniting metallic sheets
Assignee: Individual
•
Filing: 1957-03-12
•
Granted: 1957-12-10
•
Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 Bianca Edoardo Ginseppe
- 👤 Diebold Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:35
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/0004; F16B5/0032; F16B5/0044; F16B5/0048; B; B21; B21D; B21D39/00; B21D39/03; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/148; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49838; Y10T29/49908; Y10T29/49924; Y10T29/49936; Y10T29/49947; Y10T29/49954
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1247269A
Cited
US2176617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |