US712376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic safety-valve for water-gages.
Assignee: Individual
•
Filing: 1902-04-30
•
Granted: 1902-10-28
•
Expires: 1922-04-30
Abstract
No abstract record available.
Inventors
- 👤 Adolph Hartwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:16
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/305; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87853; Y10T137/87917; Y10T137/88054
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) | 1905-10-27 | 1906-04-28 | 1906-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-10-27 | 1910-04-28 | 1910-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-10-27 | 1914-04-28 | 1914-10-28 | $7700.00 | Window Closed / Lapsed |