US524203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal
Assignee: —
•
Filing: —
•
Granted: 1894-08-07
•
Expires: 1911-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:16
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/36; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/2163; Y10T83/2166; Y10T83/444; Y10T83/4501; Y10T83/4503; Y10T83/4511; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/944; Y10T83/9457; Y10T83/9473; Y10T83/9483; Y10T83/9486
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) | 1897-08-06 | 1898-02-05 | 1898-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-08-07 | 1902-02-06 | 1902-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-08-07 | 1906-02-06 | 1906-08-08 | $7700.00 | Window Closed / Lapsed |