US3343344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner and filter construction
Assignee: Health-Mor Inc
•
Filing: 1965-12-14
•
Granted: 1967-09-26
•
Expires: 1985-12-14
Abstract
No abstract record available.
Inventors
- 👤 Max L Fairaizl
- 👤 Eugene F Martinec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:04
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1418; A47L9/12; A47L9/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN SUCTION CLEANER FILTER CONSTRUCTION COMPRISING AN UPRIGHT RECEPTACLE HAVING AN INLET CONNECTOR IN ONE SIDE, A MOTOR-FAN UNIT MOUNTED UPON THE UPPER EDGE OF THE RECEPTACLE, A FORAMINOUS FILTER SUPPORT WITHIN SAID RECEPTACLE BETWEEN THE MOTOR-FAN UNIT AND THE INLET CONNECTOR, A COMBINATION AIR FILTER AND AIR IMPERVIOUS DUST COLLECTOR BAG WITHIN THE RECEPTACLE, THE FILTER OF SAID COMBINATION HAVING AN UPPER EDGE PORTION SUPPORTED UPON THE FORAMINOUS FILTER SUPPORT, THE UPPER EDGE OF THE BAG OF SAID COMBINATION BEING ATTACHED TO THE FILTER AT A ZONE SPACED FROM THE UPPER EDGE OF THE FILTER, THERE BEING AN INLET OPENING IN THE BAG FITTING UPON SAID INLET CONNECTOR, AND MEANS ON SAID FILTER SUPPORT BETWEEN THE UPPER EDGE OF THE BAG AND THE UPPER EDGE OF THE FILTER FRO EQUALIZING AIR PRESSURE ON THE INSIDE AND OUTSIDE OF THE BAG.
Claim 2
Dependent Claim
141 words
IN SUCTION CLEANER FILTER CONSTRUCTION COMPRISING AN UPRIGHT RECEPTACLE HAVING AN INLET CONNECTOR IN ONE SIDE, A MOTOR-FAN UNIT MOUNTED UPON THE UPPER EDGE OF THE RECEPTACLE, A FORAMINOUS FILTER SUPPORT WITHIN SAID RECEPTACLE BETWEEN THE MOTOR-FAN UNIT AND THE INLET CONNECTOR, A COMBINATION AIR FILTER AND AIR IMPERVIOUS DUST COLLECTOR BAG WITHIN THE RECEPTACLE, THE FILTER OF SAID COMBINATION HAVING AN UPPER EDGE PORTION SUPPORTED UPON THE FORAMINOUS FILTER SUPPORT, THE UPPER EDGE OF THE BAG OF SAID COMBINATION BEING ATTACHED TO THE FILTER AT A ZONE SPACED FROM THE UPPER EDGE OF THE FILTER, THERE BEING AN INLET OPENING IN THE BAG FITTING UPON SAID INLET CONNECTOR, AND MEANS ON SAID FILTER SUPPORT BETWEEN THE UPPER EDGE OF THE BAG AND THE UPPER EDGE OF THE FILTER FRO EQUALIZING AIR PRESSURE ON THE INSIDE AND OUTSIDE OF THE BAG.
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |