US2419061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure operated electric strain gage
Assignee: Baldwin Locomotive Works
•
Filing: 1944-09-22
•
Granted: 1947-04-15
•
Expires: 1964-09-22
Abstract
No abstract record available.
Inventors
- 👤 Albert H Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:05
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0033; G01L9/0035
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1612344A
Cited
US1873284A
Cited
US2059549A
Cited
US2224024A
Cited
US2223640A
Cited
US2316975A
Cited
US2336500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |