US2949772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flowmeter
Assignee: Individual
•
Filing: 1954-12-10
•
Granted: 1960-08-23
•
Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Kritz Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:03
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2384465A
Cited
GB352040A
Cited
FR881644A
Cited
US2477246A
Cited
GB616794A
Cited
GB603644A
Cited
GB623022A
Cited
US2480535A
Cited
US2645727A
Cited
US2669121A
Cited
US2657319A
Cited
US2708366A
Cited
US2748369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |