Patent US2629244A successfully refreshed from Google Patents.
US2629244A
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Shock wave washer with vacuum operated squeezer extractor
Assignee: H J RAND WASHING MACHINE CORP
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Filing: 1948-03-03
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Granted: 1953-02-24
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Expires: 1968-03-03
Abstract
No abstract record available.
Inventors
- 👤 Henry J Rand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:38
CPC Classifications
D; D06; D06F; D06F19/00; D06F58/00; Y; Y10; Y10S; Y10S8/00; Y10S8/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1531924A
Cited
GB341740A
Cited
FR691392A
Cited
DE506538C
Cited
FR796891A
Cited
US2178385A
Cited
US2407660A
Cited
GB548960A
Cited
GB587214A
Cited
US2468550A
Cited
US2472682A
Cited
US2495295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |