US3375541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaners with combined hose connectors and housing latches
Assignee: Singer Co
•
Filing: 1966-06-24
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Granted: 1968-04-02
•
Expires: 1986-06-24
Abstract
No abstract record available.
Inventors
- 👤 Charles T Fromknecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:43
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/24; A47L9/242
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
IN A CANISTER TYPE VACUUM CLEANER, A BOTTOM HOUSING, AN APERTURED TOP HOUSING CONNECTABLE TO SAID BOTTOM HOUSING, A BRACKET, FOR SUPPORTING A DUST BAG, SECURED TO SAID BOTTOM HOUSING, A KEEPER FORMED AS PART OF SAID BRACKET, AN ANNULAR PLASTIC LATCH MEMBER ROTATABLY MOUNTED IN THE APERTURE IN SAID TOP HOUSING, A BOLT FORMED AS PART OF SAID LATCH MEMBER AND ADAPTED, WHEN SAID TOP HOUSING IS CLOSED ON SAID BOTTOM HOUSING, TO ENGAGE THE KEEPER ON SAID BAG BRACKET AND THEREBY LATCH SAID TOP HOUSING TO SAID BOTTOM HOUSING.
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) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |