Patent EP0199565A2 successfully refreshed from Google Patents.
US3616622A
Expired / Lapsed
US
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Mounting means for vacuum cleaner bags
Assignee: Studley Paper Co Inc
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Filing: 1969-05-16
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Granted: 1971-11-02
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Expires: 1989-05-16
Abstract
Abstract MOUNTING MEANS FOR DETACHABLY SECURING A VACUUM CLEANER FILTER BAG TO A VACUUM CLEANER SUCH THAT THE INLET TO THE BAG IS IN FIXED REGISTERY WITH THE INLET FROM THE VACUUM CLEANER ITSELF, THE NOVEL VACUUM CLEANER BAG ITSELF AND A COMBINATION OF A VACUUM CLEANER AND A VACUUM CLEANER BAG WHEREIN EITHER THE VACUUM CLEANER OR THE BAG IS PROVIDED WITH A MAGNETIC AND THE OTHER IS PROVIDED WITH A MAGNETICALLY-SUSCEPTIBLE MEMBER EACH OF WHICH ENCIRCLE THE INLET TO SAID BAG OR SAID BAG OR SAID VACUUM CLEANER.
Inventors
- 👤 Abraham Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:52
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427; A47L9/1436; Y; Y10; Y10S; Y10S15/00; Y10S15/08; Y10S206/00; Y10S206/818; Y10S211/00; Y10S211/01; Y10S403/00; Y10S403/01; Y10S55/00; Y10S55/02; Y10S55/06; Y10T; Y10T24/00; Y10T24/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |