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US256293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
cooper
Assignee: —
•
Filing: —
•
Granted: 1882-04-11
•
Expires: 1899-04-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:58
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/045; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/1608; Y10T24/162; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32861; Y10T403/32893; Y10T403/32909
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) | 1885-04-10 | 1885-10-10 | 1886-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-04-10 | 1889-10-10 | 1890-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-04-10 | 1893-10-10 | 1894-04-11 | $7700.00 | Window Closed / Lapsed |