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Patent US3015281A successfully refreshed from Google Patents.
US3015281A
Expired / Lapsed
US
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Portable liquid pump
Assignee: Cederholm R F D 1
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Filing: 1960-02-23
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Granted: 1962-01-02
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 Franklyn G Umholtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:33
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/068; F04C; F04C13/00; F04C15/00; F04C15/0057; F04C15/008; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2808196A
Cited
US2885962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |