US512381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
James t
Assignee: —
•
Filing: —
•
Granted: 1894-01-09
•
Expires: 1911-01-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
B; B25; B25B; B25B11/00; B25B11/002; B03; B03C; B03C1/00; B03C1/02; B03C1/28; B03C1/284; H; H01; H01F; H01F7/00; H01F7/02; H01F7/0231; H01F7/0252; H01F7/0257; H01F7/04; Y; Y10; Y10S; Y10S29/00; Y10S29/105; Y10S7/00; Y10S7/901; Y10T; Y10T29/00; Y10T29/53; Y10T29/53104; Y10T29/53478; Y10T29/53483; Y10T29/53909; Y10T29/53943
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) | 1897-01-08 | 1897-07-10 | 1898-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-01-09 | 1901-07-11 | 1902-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-01-09 | 1905-07-11 | 1906-01-10 | $7700.00 | Window Closed / Lapsed |