US2776568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid metering device
Assignee: Individual
•
Filing: 1954-04-19
•
Granted: 1957-01-08
•
Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Ward
- 👤 Congdon Max
- 👤 Maurice E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:16
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/056; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE54073C
Cited
US355821A
Cited
US684910A
Cited
US1009690A
Cited
GB352925A
Cited
US1922071A
Cited
US2147344A
Cited
US2260516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |