Patent US2451666A successfully refreshed from Google Patents.
US2451666A
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Variable capacity pump
Assignee: Gilbarco Inc
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Filing: 1945-11-01
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Granted: 1948-10-19
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Expires: 1965-11-01
Abstract
No abstract record available.
Inventors
- 👤 Lancey Warren H De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:02
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2192660A
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US2246610A
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US2238062A
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US2229231A
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US2291424A
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US2296876A
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US2420155A
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US2406482A
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US2423654A
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US2409477A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |