Patent US2611679A successfully refreshed from Google Patents.
US2611679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air treatment device
Assignee: Individual
•
Filing: 1944-05-19
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Granted: 1952-09-23
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Expires: 1964-05-19
Abstract
No abstract record available.
Inventors
- 👤 Whyatt H Haulenbeek
- 👤 Willis F Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:49
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A VACUUM CLEANER HAVING ELECTRICAL TERMINALS ADAPTED TO BE ENERGIZED BY A SOURCE OF CURRENT AND HAVING A HOLLOW CASING WITH DUST COLLECTION MEANS IN ONE END AND A MOTOR AND A FAN DRIVEN THEREBY IN THE OTHER END TO DRIVE AIR THROUGH THE DUST COLLECTION MEANS IN THE CASING, THE IMPROVEMENT FOR TREATING THE AIR, SAID IMPROVEMENT COMPRISING GERMICIDAL LAMP MEANS, BRACKET MEANS FOR SUPPORTING THE LAMP MEANS IN THE CASING INTERMEDIATE THE DUST COLLECTION MEANS AND THE MOTOR-DRIVEN FAN, AND MEANS FOR ENERGIZING THE LAMP MEANS AND THE MOTOR FROM THE ELECTRICAL TERMINALS.
Claim 2
Dependent Claim
96 words
IN A VACUUM CLEANER HAVING ELECTRICAL TERMINALS ADAPTED TO BE ENERGIZED BY A SOURCE OF CURRENT AND HAVING A HOLLOW CASING WITH DUST COLLECTION MEANS IN ONE END AND A MOTOR AND A FAN DRIVEN THEREBY IN THE OTHER END TO DRIVE AIR THROUGH THE DUST COLLECTION MEANS IN THE CASING, THE IMPROVEMENT FOR TREATING THE AIR, SAID IMPROVEMENT COMPRISING GERMICIDAL LAMP MEANS, BRACKET MEANS FOR SUPPORTING THE LAMP MEANS IN THE CASING INTERMEDIATE THE DUST COLLECTION MEANS AND THE MOTOR-DRIVEN FAN, AND MEANS FOR ENERGIZING THE LAMP MEANS AND THE MOTOR FROM THE ELECTRICAL TERMINALS.
References Cited (Backward Citations)
US1582677A
Cited
US2051057A
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US2242163A
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US2297933A
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US2337746A
Cited
US2347954A
Cited
US2354817A
Cited
US2335056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |