Patent US645208A successfully refreshed from Google Patents.
US645208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic stop-valve.
Assignee: Individual
•
Filing: 1899-10-09
•
Granted: 1900-03-13
•
Expires: 1919-10-09
Abstract
No abstract record available.
Inventors
- 👤 Isidor Mayer
- 👤 Josef Huebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:09
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/44; F16K1/443; F16K17/00; F16K17/20; F16K17/34; F16K31/00; F16K31/44; F16K31/50; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88062
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) | 1903-03-13 | 1903-09-12 | 1904-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-03-13 | 1907-09-12 | 1908-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-03-13 | 1911-09-12 | 1912-03-13 | $7700.00 | Window Closed / Lapsed |