Patent US2987915A successfully refreshed from Google Patents.
US2987915A
Expired / Lapsed
US
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Flow meter having axially movable orifice
Assignee: Honeywell Inc
•
Filing: 1956-12-12
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Granted: 1961-06-13
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Expires: 1976-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jr August J Hildenbrandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:28
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1699163A
Cited
US1819138A
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DE626005C
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US1923124A
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US2032245A
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US2178953A
Cited
US2219566A
Cited
US2538785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |