Patent US501547A successfully refreshed from Google Patents.
US501547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaping and spinning metals by electricity
Assignee: —
•
Filing: —
•
Granted: 1893-07-18
•
Expires: 1910-07-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:10
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/14; B21D41/00; B21D41/02; B21D41/04; Y; Y10; Y10S; Y10S29/00; Y10S29/043; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1896-07-17 | 1897-01-16 | 1897-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-07-18 | 1901-01-17 | 1901-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-07-18 | 1905-01-17 | 1905-07-19 | $7700.00 | Window Closed / Lapsed |