US967465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually-operated check-valve.
Assignee: INTERCONTINENTAL ENGINEERING Co
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Filing: 1909-10-07
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Granted: 1910-08-16
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Expires: 1929-10-07
Abstract
No abstract record available.
Inventors
- 👤 Reginald Trautschold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:37
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/22; F16K1/221
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) | 1913-08-15 | 1914-02-14 | 1914-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-08-15 | 1918-02-14 | 1918-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-08-15 | 1922-02-14 | 1922-08-16 | $7700.00 | Window Closed / Lapsed |