US3135985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for vacuum cleaner
Assignee: KAY JEWELRY STORES Inc
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Filing: 1962-05-22
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Granted: 1964-06-09
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Expires: 1982-05-22
Abstract
No abstract record available.
Inventors
- 👤 Hulst Cornelius Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:48
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/20; A47L11/204; A47L11/206; A47L11/2065; A47L11/4063; A47L11/4069; A47L11/4094
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A CANISTER TYPE VACUUM CLEANER COMPONENT AND A BUFFING ATTACHMENT THEREFOR ADAPTED TO BE DRIVEN BY THE MOTOR OF THE VACUUM CLEANER COMPONENT COMPRISING, A HOUSING HAVING A DEPENDING ANNULAR SKIRT OPENING THROUGHOUT THE AREA WITHIN SAID SKIRT, A MOTOR AND A SUCTION FAN MOUNTED WITHIN SAID HOUSING, A MOTOR SHAFT DRIVING SAID FAN AND EXTENDING THEREBELOW AT THE APPROXIMATE CENTER OF THE HOUSING, AN ANNULAR RESILIENT GASKET CARRIED BY SAID SKIRT, A DISC-SHAPED MEMBER WITH ITS PERIPHERY ENGAGING SAID GASKET AND SUBSTANTIALLY CLOSING SAID HOUSING WHEREBY OPERATION OF THE FAN DEVELOPS A PRESSURE THEREIN LESS THAN ATMOSPHERIC TO MAINTAIN THE DISC-SHAPED MEMBER IN OPERATIVE ASSOCIATION WITH SAID HOUSING, A STUB SHAFT JOURNALLED FOR ROTATION ON SAID DISC-SHAPED MEM-
Claim 2
Dependent Claim
119 words
A CANISTER TYPE VACUUM CLEANER COMPONENT AND A BUFFING ATTACHMENT THEREFOR ADAPTED TO BE DRIVEN BY THE MOTOR OF THE VACUUM CLEANER COMPONENT COMPRISING, A HOUSING HAVING A DEPENDING ANNULAR SKIRT OPENING THROUGHOUT THE AREA WITHIN SAID SKIRT, A MOTOR AND A SUCTION FAN MOUNTED WITHIN SAID HOUSING, A MOTOR SHAFT DRIVING SAID FAN AND EXTENDING THEREBELOW AT THE APPROXIMATE CENTER OF THE HOUSING, AN ANNULAR RESILIENT GASKET CARRIED BY SAID SKIRT, A DISC-SHAPED MEMBER WITH ITS PERIPHERY ENGAGING SAID GASKET AND SUBSTANTIALLY CLOSING SAID HOUSING WHEREBY OPERATION OF THE FAN DEVELOPS A PRESSURE THEREIN LESS THAN ATMOSPHERIC TO MAINTAIN THE DISC-SHAPED MEMBER IN OPERATIVE ASSOCIATION WITH SAID HOUSING, A STUB SHAFT JOURNALLED FOR ROTATION ON SAID DISC-SHAPED MEM-
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |