US635442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge-gate for tanks.
Assignee: Individual
•
Filing: 1899-03-28
•
Granted: 1899-10-24
•
Expires: 1919-03-28
Abstract
No abstract record available.
Inventors
- 👤 Charles W Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:09
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/07
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) | 1902-10-24 | 1903-04-25 | 1903-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-10-24 | 1907-04-25 | 1907-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-10-24 | 1911-04-25 | 1911-10-25 | $7700.00 | Window Closed / Lapsed |