US3392580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow monitor
Assignee: Pan American Petroleum Corp
•
Filing: 1965-12-09
•
Granted: 1968-07-16
•
Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 Lewis G Bain
- 👤 William R Franey
- 👤 Renic P Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:45
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/0006; G01P13/0013; G01P13/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1067491A
Cited
US1589418A
Cited
US1671106A
Cited
US2815765A
Cited
US2781660A
Cited
FR1157806A
Cited
US2820865A
Cited
US3104549A
Cited
US3246517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |