US430000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of uniting the edges of sheet metal
Assignee: —
•
Filing: —
•
Granted: 1890-06-10
•
Expires: 1907-06-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; B21D; B21D39/00; B21D39/02; B21D39/021; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/148; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T403/00; Y10T403/49; Y10T403/4991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1893-06-09 | 1893-12-09 | 1894-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-06-09 | 1897-12-09 | 1898-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-06-10 | 1901-12-10 | 1902-06-11 | $7700.00 | Window Closed / Lapsed |