US2418448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: NORTHERN INDIANA BRASS CO
•
Filing: 1944-01-10
•
Granted: 1947-04-08
•
Expires: 1964-01-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Arbogast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:06
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801171A
Cited
US1935329A
Cited
GB374574A
Cited
US2034418A
Cited
US2122957A
Cited
US2084207A
Cited
US2301176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-07 | 1950-10-07 | 1951-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-07 | 1954-10-07 | 1955-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-07 | 1958-10-07 | 1959-04-08 | $7700.00 | Window Closed / Lapsed |