US102464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the adjustment op mercurial pressure-gauges
Assignee: —
•
Filing: —
•
Granted: 1870-04-26
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Expires: 1887-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:29
CPC Classifications
G; G01; G01L; G01L7/00
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) | 1873-04-25 | 1873-10-25 | 1874-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-04-25 | 1877-10-25 | 1878-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-04-25 | 1881-10-25 | 1882-04-26 | $7700.00 | Window Closed / Lapsed |