US2926839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blowers
Assignee: Easy Washing Machine Co Ltd
•
Filing: 1957-02-27
•
Granted: 1960-03-01
•
Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 Percy H Hutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:02
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US390508A
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US485678A
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US801304A
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US839273A
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US874065A
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US1059802A
Cited
GB191101326A
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US1230206A
Cited
GB405215A
Cited
CH173387A
Cited
US2350739A
Cited
US2633390A
Cited
US2695131A
Cited
US2646210A
Cited
GB737767A
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US2847156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |