US767600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic valve.
Assignee: National Tube Co
•
Filing: 1903-05-18
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Granted: 1904-08-16
•
Expires: 1923-05-18
Abstract
No abstract record available.
Inventors
- 👤 Magnus Sjoberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:45
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/30; F16K3/314
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) | 1907-08-16 | 1908-02-15 | 1908-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-08-16 | 1912-02-15 | 1912-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-08-16 | 1916-02-15 | 1916-08-16 | $7700.00 | Window Closed / Lapsed |