Patent US4014317A successfully refreshed from Google Patents.
US2992659A
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US
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High restriction metering unit
Assignee: Auto Research Corp
•
Filing: 1958-05-20
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Granted: 1961-07-18
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Expires: 1978-05-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:23
CPC Classifications
F; F16; F16N; F16N27/00; F16N27/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1684932A
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US869138A
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US1797277A
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US1857992A
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US2061949A
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US2185483A
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US2353734A
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US2327025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |