US436235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-pressure regulator
Assignee: —
•
Filing: —
•
Granted: 1890-09-09
•
Expires: 1907-09-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:19
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7784; Y10T137/7787; Y10T137/7791; Y10T137/7793; Y10T137/7809; Y10T137/7812; Y10T137/7831
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) | 1893-09-08 | 1894-03-10 | 1894-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-09-08 | 1898-03-10 | 1898-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-09-09 | 1902-03-11 | 1902-09-10 | $7700.00 | Window Closed / Lapsed |