US2562610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-priming pump system
Assignee: Whirlpool Corp
•
Filing: 1945-11-21
•
Granted: 1951-07-31
•
Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Geldhof Peter Eduard
- 👤 Harold E Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:07
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/083; D06F39/085; F; F04; F04D; F04D9/00; F04D9/02; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/742
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US322665A
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US334889A
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US1036941A
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US1145858A
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US1388081A
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US1542292A
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US1564760A
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US1741686A
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US2112573A
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US2313585A
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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) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |