US248263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1881-10-11
•
Expires: 1898-10-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:39
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/015; B23B; B23B7/00; B23B7/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18648; Y10T74/18696; Y10T74/18752; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2564; Y10T82/2566
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) | 1884-10-10 | 1885-04-11 | 1885-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-10-10 | 1889-04-11 | 1889-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-10-10 | 1893-04-11 | 1893-10-11 | $7700.00 | Window Closed / Lapsed |