US2954739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumps
Assignee: Tait Manufacturing Co
•
Filing: 1956-01-03
•
Granted: 1960-10-04
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Lung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:50
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US966428A
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AT62273B
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US1267180A
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GB117558A
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US1495167A
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US1837873A
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GB342065A
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US1974107A
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FR786795A
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US2270666A
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US2252554A
Cited
US2271961A
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US2764099A
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US2515956A
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US2652271A
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US2753807A
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US2775945A
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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) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |