US3372590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal flowmeter
Assignee: Technology Inc
•
Filing: 1965-10-01
•
Granted: 1968-03-12
•
Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Sterling John Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:43
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/68; G01F1/696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2831351A
Cited
US2769121A
Cited
US2947938A
Cited
US2859617A
Cited
GB855294A
Cited
US3081628A
Cited
US3245252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |