US240369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-valve
Assignee: —
•
Filing: —
•
Granted: 1881-04-19
•
Expires: 1898-04-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:30
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; Y; Y10; Y10T; Y10T137/00; Y10T137/6198; Y10T137/6253; Y10T137/6362; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1884-04-18 | 1884-10-18 | 1885-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-04-18 | 1888-10-18 | 1889-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-04-18 | 1892-10-18 | 1893-04-19 | $7700.00 | Window Closed / Lapsed |