US400944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor-key for cocks
Assignee: —
•
Filing: 1887-01-21
•
Granted: 1889-04-09
•
Expires: 1907-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:46
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; F; F16; F16K; F16K31/00; F16K31/44; F16K31/46; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6988; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459
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) | 1892-04-08 | 1892-10-08 | 1893-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-04-08 | 1896-10-08 | 1897-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-04-09 | 1900-10-09 | 1901-04-10 | $7700.00 | Window Closed / Lapsed |