US3108311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner suction nozzles
Assignee: Electrolux Corp
•
Filing: 1962-01-23
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Granted: 1963-10-29
•
Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 David C House
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:26
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L9/068; A47L9/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A SUCTION NOZZLE COMPRISING A HOLLOW MEMBER HAVING A SUCTION PASSAGEWAY THERETHROUGH TERMINATING IN A SUCTION OPENING, A PAIR OF SURFACE ENGAGING WINGS PIVOTED ON SAID HOLLOW BODY CLOSELY ADJACENT TO OPPOSITE SIDES OF SAID SUCTION OPENING IN A MANNER TO CONFORM MORE CLOSELY TO SURFACES TO WHICH THE NOZZLE IS APPLIED, SAID WINGS HAVING AIR CHANNELS COMMUNICATING WITH SAID SUCTION OPENING SO THAT WHEN APPLIED TO A SURFACE TO BE CLEANED THE LATTER MAY BE SUBJECT TO SUCTION THROUGH SAID AIR CHANNELS, SAID WINGS BEING PIVOTABLE FROM A FIRST POSITION IN WHICH THEY ARE DISPOSED IN A SUBSTANTIALLY STRAIGHT LINE TO A SECOND POSITION IN WHICH THE WINGS ARE SUBSTANTIALLY PARALLEL TO EACH OTHER AND THEIR RESPECTIVE CHANNELS ARE IN CONFRONTING RELATION, AND RESILIENT MEANS TENDING TO PIVOT SAID WINGS FROM BOTH SAID FIRST AND SECOND POSITIONS TO AN INTERMEDIATE POSITION APPROXIMATELY HALF WAY THEREBETWEEN.
Claim 2
Dependent Claim
146 words
A SUCTION NOZZLE COMPRISING A HOLLOW MEMBER HAVING A SUCTION PASSAGEWAY THERETHROUGH TERMINATING IN A SUCTION OPENING, A PAIR OF SURFACE ENGAGING WINGS PIVOTED ON SAID HOLLOW BODY CLOSELY ADJACENT TO OPPOSITE SIDES OF SAID SUCTION OPENING IN A MANNER TO CONFORM MORE CLOSELY TO SURFACES TO WHICH THE NOZZLE IS APPLIED, SAID WINGS HAVING AIR CHANNELS COMMUNICATING WITH SAID SUCTION OPENING SO THAT WHEN APPLIED TO A SURFACE TO BE CLEANED THE LATTER MAY BE SUBJECT TO SUCTION THROUGH SAID AIR CHANNELS, SAID WINGS BEING PIVOTABLE FROM A FIRST POSITION IN WHICH THEY ARE DISPOSED IN A SUBSTANTIALLY STRAIGHT LINE TO A SECOND POSITION IN WHICH THE WINGS ARE SUBSTANTIALLY PARALLEL TO EACH OTHER AND THEIR RESPECTIVE CHANNELS ARE IN CONFRONTING RELATION, AND RESILIENT MEANS TENDING TO PIVOT SAID WINGS FROM BOTH SAID FIRST AND SECOND POSITIONS TO AN INTERMEDIATE POSITION APPROXIMATELY HALF WAY THEREBETWEEN.
References Cited (Backward Citations)
US2815525A
Cited
US2856627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |