US2727388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow meter
Assignee: Elematic Equipment Corp
•
Filing: 1952-08-02
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Granted: 1955-12-20
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Expires: 1972-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert E Ekstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:24
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE140264C
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DE141032C
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US1454301A
Cited
US1499839A
Cited
US1980761A
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US2372166A
Cited
US2417352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |