Patent US93231A successfully refreshed from Google Patents.
US93231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joshua a
Assignee: —
•
Filing: —
•
Granted: 1869-08-03
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Expires: 1886-08-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:38
CPC Classifications
G; G01; G01F; G01F19/00
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) | 1872-08-02 | 1873-02-01 | 1873-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-08-02 | 1877-02-01 | 1877-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-08-02 | 1881-02-01 | 1881-08-03 | $7700.00 | Window Closed / Lapsed |