US2772664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow meter
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-12-11
•
Granted: 1956-12-04
•
Expires: 1973-12-11
Abstract
No abstract record available.
Inventors
- 👤 Clifton H Jones
- 👤 Charles W Foust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:06
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/04; G01F3/14; G01F3/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |