US647848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-plug.
Assignee: Individual
•
Filing: 1899-06-16
•
Granted: 1900-04-17
•
Expires: 1919-06-16
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:06
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/306; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88046
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) | 1903-04-17 | 1903-10-17 | 1904-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-04-17 | 1907-10-17 | 1908-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-04-17 | 1911-10-17 | 1912-04-17 | $7700.00 | Window Closed / Lapsed |