Patent US2616119A successfully refreshed from Google Patents.
US2616119A
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US
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Drive interrupting means for suction cleaners
Assignee: Eureka Williams Co
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Filing: 1948-11-19
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Granted: 1952-11-04
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Balluff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:27
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1460245A
Cited
US1332235A
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US1641063A
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US2054692A
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US2094138A
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US2084234A
Cited
US2287922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |