Patent US3336623A successfully refreshed from Google Patents.
US3336623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel assembly for vacuum cleaner
Assignee: Clipper Manufacturing Co Inc
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Filing: 1965-09-07
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Granted: 1967-08-22
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Neligh C Coates
- 👤 John R Harclerode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:59
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A VACUUM CLEANER PROVIDED WITH A NUMBER OF WHEEL AND AXLE ASSEMBLIES SUPPORTING THE SAME AND HAVING A FAN HOUSING TERMINATING IN A DOWNWARDLY AND FORWARDLY EXTENDING, TRANSVERSELY ELONGATED NOZZLE, ASSEMBLIES INCLUDING A CASTER WHEEL UNIT ADJACENT EACH OUTERMOST AND FORWARDMOST END RESPECTIVELY OF SAID NOZZLE, EACH UNIT INCLUDING: AN UPSTANDING POST RIGID TO THE NOZZLE; AN ARM EXTENDING LATERALLY FROM THE POST; AN UPSTANDING STANDARD SECURED TO THE OUTERMOST END OF THE ARM; A CASTER WHEEL AT THE LOWERMOST END OF THE STANDARD; MEANS ATTACHING THE WHEEL TO THE STANDARD FOR SWIVELING MOVEMENT ABOUT THE VERTICAL AXIS OF THE STANDARD; AND RELEASABLE STRUCTURE ATTACHING THE ARM TO THE POST IN A NUMBER OF POSITIONS THEREAROUND WHEREBY THE CASTER WHEEL MAY BE SELECTIVELY POSITIONED FORWARDLY, REARWARDLY OR LATERALLY OF THE NOZZLE.
Claim 2
Dependent Claim
132 words
IN A VACUUM CLEANER PROVIDED WITH A NUMBER OF WHEEL AND AXLE ASSEMBLIES SUPPORTING THE SAME AND HAVING A FAN HOUSING TERMINATING IN A DOWNWARDLY AND FORWARDLY EXTENDING, TRANSVERSELY ELONGATED NOZZLE, ASSEMBLIES INCLUDING A CASTER WHEEL UNIT ADJACENT EACH OUTERMOST AND FORWARDMOST END RESPECTIVELY OF SAID NOZZLE, EACH UNIT INCLUDING: AN UPSTANDING POST RIGID TO THE NOZZLE; AN ARM EXTENDING LATERALLY FROM THE POST; AN UPSTANDING STANDARD SECURED TO THE OUTERMOST END OF THE ARM; A CASTER WHEEL AT THE LOWERMOST END OF THE STANDARD; MEANS ATTACHING THE WHEEL TO THE STANDARD FOR SWIVELING MOVEMENT ABOUT THE VERTICAL AXIS OF THE STANDARD; AND RELEASABLE STRUCTURE ATTACHING THE ARM TO THE POST IN A NUMBER OF POSITIONS THEREAROUND WHEREBY THE CASTER WHEEL MAY BE SELECTIVELY POSITIONED FORWARDLY, REARWARDLY OR LATERALLY OF THE NOZZLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |