US2926674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power washing apparatus
Assignee: Ajem Laboratories Inc
•
Filing: 1954-10-18
•
Granted: 1960-03-01
•
Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Umbricht Emil
- 👤 Evans Dewey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:24
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US784622A
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US1077636A
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US1144023A
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US1556837A
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US1731912A
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US1697220A
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US1780772A
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US2272421A
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US2304026A
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US2559945A
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US2621968A
Cited
US2605136A
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 |