US14770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the construction of dry gas-meters
Assignee: —
•
Filing: —
•
Granted: 1856-04-29
•
Expires: 1873-04-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/20; G01F3/22; G01F3/222
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) | 1859-04-29 | 1859-10-29 | 1860-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1863-04-29 | 1863-10-29 | 1864-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1867-04-29 | 1867-10-29 | 1868-04-29 | $7700.00 | Window Closed / Lapsed |