US4809398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner combination latch and electrical contact arrangement
Assignee: Electrolux AB
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Filing: 1988-01-13
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Granted: 1989-03-07
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Expires: 2008-01-13
Abstract
Abstract A locking device for a pivotable cover of a vacuum cleaner, which includes at least one locking catch that engages a complementary locking means in order to lock the cover in closed position. The catch is further provided with an electric contact means which during the closing of the cover abuts a corresponding contact means in order to close an electric circuit.
Inventors
- 👤 Tommy N. Linduist
- 👤 Milos Vukotic
- 👤 Ann-Christine Hedin
- 👤 Kurt O. Francke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:40
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/28; A47L9/2868
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
101 words
A vacuum cleaner combination latch and electrical contact arrangement comprising a housing, a pivotable cover for said housing, a latching catch on said cover, a complimentary latching means on said housing whereby said catch is adapted to releasably engage said latching means in order to latch the cover in a closed position, said latching catch additionally being provided with an electric contact means and a corresponding contact means in said housing whereby said contact means on said cover is adapted to abut said corresponding contact means on said housing when said cover is closed in order to make an electric circuit.
Claim 2
Dependent Claim
101 words
A vacuum cleaner combination latch and electrical contact arrangement comprising a housing, a pivotable cover for said housing, a latching catch on said cover, a complimentary latching means on said housing whereby said catch is adapted to releasably engage said latching means in order to latch the cover in a closed position, said latching catch additionally being provided with an electric contact means and a corresponding contact means in said housing whereby said contact means on said cover is adapted to abut said corresponding contact means on said housing when said cover is closed in order to make an electric circuit.
Claim 3
Dependent Claim
41 words
A vacuum cleaner combination latch and electrical contact arrangement as claimed in claim 1 wherein said corresponding contact means in said housing is resilient whereby said contact means and said latching catch cooperate with said resilient contact means in said housing.
Claim 4
Dependent Claim
35 words
A vacuum cleaner combination latch and electrical contact arrangement as claimed in claim 1 wherein said latching catch and latching means are provided with adhering electric contact means in parallel and adjacent to each other.
References Cited (Backward Citations)
US3172743A
Cited
US4001912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-06 | 1992-09-05 | 1993-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-06 | 1996-09-05 | 1997-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-06 | 2000-09-05 | 2001-03-07 | $7700.00 | Window Closed / Lapsed |