US3085279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner assembly
Assignee: Lewyt Corp
•
Filing: 1961-01-05
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Granted: 1963-04-16
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Expires: 1981-01-05
Abstract
No abstract record available.
Inventors
- 👤 Carl E Meyerhoefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:19
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/26; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362; A47L9/0009; A47L9/0018; A47L9/0027
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
A VACUUM CLEANER INCLUDING IN COMBINATION A CASING FORMED WITH INLET AND OUTLET OPENINGS, A MOTOR-BLOWER UNIT, A SHELL SECURED TO SAID CASING AND EXTENDING INWARDLY THEREOF, SAID SHELL INCLUDING SURFACES PROJECTING AT ANGLES WITH RESPECT TO EACH OTHER, A GASKET CARRIED FOR MOVEMENT WITH SAID UNIT, A FLEXIBLE PORTION FORMING A PART OF SAID GASKET AND ENGAGEABLE WITH ONE OF SAID SHELL SURFACES, A SUPPORTING BEARING CONNECTED TO SAID UNIT AND ENGAGEABLE WITH ANOTHER OF SAID SURFACES WHEREBY SAID UNIT MAY ROTATE WITH RESPECT TO SAID CASING, AN ELECTRICAL CORD-RECEIVING MEMBER SUPPORTED FOR ROTATION WITH SAID UNIT AND DISPOSED WITHIN SAID CASING, THE LATTER BEING FORMED WITH AN OPENING THROUGH ONE END OF WHICH A CORD MAY PASS AND MANUALLY CONTROLLED MEANS EXTERIORLY OF SAID CASING AND CONNECTED WITH SAID RECEIVING MEMBER FOR ROTATING IT AND SAID UNIT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |