US3238706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaners
Assignee: Hoover Co
•
Filing: 1962-08-14
•
Granted: 1966-03-08
•
Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Dale T Kurlinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:48
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427; A47L5/00; A47L5/12; A47L5/22; A47L5/36; Y; Y10; Y10S; Y10S55/00; Y10S55/02; Y10S55/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SUCTION CLEANER COMPRISING: A SUBSTANTIALLY RECTANGULAR WALLED BODY INCLUDING VERTICAL SIDE WALLS, A SUBSTANTIALLY RECTANGULAR ENCLOSURE OVERLYING SAID BODY AND COOPERATING WITH SAID SIDE WALLS OF SAID BODY TO DEFINE A SUCTION CHAMBER, A MOTOR-FAN UNIT ARRANGED IN SAID SUCTION CHAMBER AND COMMUNICATING THEREWITH FOR CREATING SUCTION PRESSURE IN SAID CHAMBER, MEANS DEFINING AN OPENING IN SAID OVERLYING ENCLOSURE TO PROVIDE ACCESS TO SAID SUCTION CHAMBE, SAID ENCLOSURE INCLUDING AS A PART THEREOF A MOVABLY MOUNTED SUCTION CHAMBER COVER FOR SAID ACESS OPENING AND OVERLYING SAID SUCTION CHAMBER AND HAVING A SUCTION AIR INLET ADAPTED TO RECEIVE ONE END OF A HOSE, DIRT FILTERING MEANS HAVING A DIRTY AIR INLET CONNECTED WITH SAID SUCTION AIR INLET TO RECEIVE ONE END OF A HOSE, DIRT FILTERING MEANS HAVING A DIRTY AIR INLET CONNECTED WITH SAID SUCTION AIR INLET WHEN SAID SUCTION CHAMBER COVER IS CLOSED, SUPPORT MEANS SPANNING SAID OPENING BENEATH SAID SUCTION CHAMBER COVER
Claim 2
Dependent Claim
155 words
A SUCTION CLEANER COMPRISING: A SUBSTANTIALLY RECTANGULAR WALLED BODY INCLUDING VERTICAL SIDE WALLS, A SUBSTANTIALLY RECTANGULAR ENCLOSURE OVERLYING SAID BODY AND COOPERATING WITH SAID SIDE WALLS OF SAID BODY TO DEFINE A SUCTION CHAMBER, A MOTOR-FAN UNIT ARRANGED IN SAID SUCTION CHAMBER AND COMMUNICATING THEREWITH FOR CREATING SUCTION PRESSURE IN SAID CHAMBER, MEANS DEFINING AN OPENING IN SAID OVERLYING ENCLOSURE TO PROVIDE ACCESS TO SAID SUCTION CHAMBE, SAID ENCLOSURE INCLUDING AS A PART THEREOF A MOVABLY MOUNTED SUCTION CHAMBER COVER FOR SAID ACESS OPENING AND OVERLYING SAID SUCTION CHAMBER AND HAVING A SUCTION AIR INLET ADAPTED TO RECEIVE ONE END OF A HOSE, DIRT FILTERING MEANS HAVING A DIRTY AIR INLET CONNECTED WITH SAID SUCTION AIR INLET TO RECEIVE ONE END OF A HOSE, DIRT FILTERING MEANS HAVING A DIRTY AIR INLET CONNECTED WITH SAID SUCTION AIR INLET WHEN SAID SUCTION CHAMBER COVER IS CLOSED, SUPPORT MEANS SPANNING SAID OPENING BENEATH SAID SUCTION CHAMBER COVER
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |