Patent US3437082A successfully refreshed from Google Patents.
US3437082A
Expired / Lapsed
US
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Flow metering device
Assignee: Stanadyne LLC
•
Filing: 1967-06-23
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Granted: 1969-04-08
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Expires: 1987-06-23
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Bouwkamp
- 👤 Kenneth W Lesher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:49
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/021; F01M13/022; F01M13/023; Y; Y10; Y10T; Y10T137/00; Y10T137/6198; Y10T137/7722; Y10T137/7748; Y10T137/7749; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR668844A
Cited
US2452956A
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US2461206A
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US2986132A
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US3181833A
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US3165097A
Cited
US3225752A
Cited
US3263699A
Cited
US3354898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |