US590997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Half to henry d
Assignee: —
•
Filing: —
•
Granted: 1897-10-05
•
Expires: 1914-10-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:43
CPC Classifications
F; F03; F03D; F03D15/00; F03D80/00; F16; F16B; F16B7/00; F16B7/10; F16B7/105; F03D80/70; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459; Y10T403/59; Y10T403/591; Y10T403/595; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2151
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) | 1900-10-05 | 1901-04-06 | 1901-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-10-05 | 1905-04-06 | 1905-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-10-05 | 1909-04-06 | 1909-10-06 | $7700.00 | Window Closed / Lapsed |