US262581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
doolittle
Assignee: —
•
Filing: —
•
Granted: 1882-08-15
•
Expires: 1899-08-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:57
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/18; F16L23/20; Y; Y10; Y10S; Y10S285/00; Y10S285/906; Y10S285/91
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) | 1885-08-14 | 1886-02-13 | 1886-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-08-14 | 1890-02-13 | 1890-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-08-14 | 1894-02-13 | 1894-08-15 | $7700.00 | Window Closed / Lapsed |