US586438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inven
Assignee: —
•
Filing: —
•
Granted: 1897-07-13
•
Expires: 1914-07-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/091; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T29/4994; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2177
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) | 1900-07-13 | 1901-01-12 | 1901-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-07-13 | 1905-01-12 | 1905-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-07-13 | 1909-01-12 | 1909-07-14 | $7700.00 | Window Closed / Lapsed |