US517580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Andrew w
Assignee: —
•
Filing: —
•
Granted: 1894-04-03
•
Expires: 1911-04-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:09
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/2676; Y; Y10; Y10S; Y10S29/00; Y10S29/033; Y10T; Y10T428/00; Y10T428/12; Y10T428/12188; Y10T428/12194; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4798
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) | 1897-04-02 | 1897-10-02 | 1898-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-04-03 | 1901-10-03 | 1902-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-04-03 | 1905-10-03 | 1906-04-04 | $7700.00 | Window Closed / Lapsed |