US14893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-regulator
Assignee: —
•
Filing: —
•
Granted: 1856-05-13
•
Expires: 1873-05-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:03
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; Y; Y10; Y10S; Y10S16/00; Y10S16/31; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/7812; Y10T137/7814; Y10T137/7816; Y10T137/7837; Y10T137/7859; Y10T137/7861
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) | 1859-05-13 | 1859-11-12 | 1860-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1863-05-13 | 1863-11-12 | 1864-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1867-05-13 | 1867-11-12 | 1868-05-13 | $7700.00 | Window Closed / Lapsed |