US562267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-check for boilers
Assignee: —
•
Filing: —
•
Granted: 1896-06-16
•
Expires: 1913-06-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:43
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F04B39/1033; F16; F16K; F16K15/00; F16K15/02; F16K15/04; F16K15/042; F16K17/00; F16K17/36; F16K17/366; F16K2200/00; F16K2200/20; F16K2200/204; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/794; Y10T137/8013; Y10T137/8593; Y10T137/86348; Y10T137/86372; Y10T137/87917; Y10T137/88054
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) | 1899-06-16 | 1899-12-16 | 1900-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-06-17 | 1903-12-17 | 1904-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-06-17 | 1907-12-17 | 1908-06-17 | $7700.00 | Window Closed / Lapsed |