US2696737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic type flowmeter
Assignee: ERDCO ENG CORP
•
Filing: 1949-12-14
•
Granted: 1954-12-14
•
Expires: 1969-12-14
Abstract
No abstract record available.
Inventors
- 👤 Mittelmann Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:06
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/56; G01F1/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1548022A
Cited
US2277285A
Cited
US2067645A
Cited
US2229373A
Cited
US2386892A
Cited
US2435043A
Cited
US2433771A
Cited
US2583561A
Cited
US2518797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |