US3132932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag changer for use in vacuum cleaners
Assignee: Whirlpool Corp
•
Filing: 1960-11-28
•
Granted: 1964-05-12
•
Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 Charles J Pauler
- 👤 George A Westergren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:08
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1481; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A VACUUM CLEANER: WALL MEANS DEFINING AN AIR INLET; MEANS FOR DRAWING DIRT LADEN AIR INWARDLY THROUGH SAID INLET; A FILTER BAD HAVING A BIG INLET AND GUIDE MEANS ADJACENT SAID BAG INLET; A FIRST TRACK LATERALLY ADJACENT SAID AIR INLET; A SECOND TRACK MOVABLY CARRIED OPPOSITELY LATERNALLY ADJACENT SAID AIR INLET, SAID TRACKS DEFINING CONFRONTING CHANNELS FOR LONGITUDINALLY SLIDABLY RECEIVING SPACED PORTIONS OF SAID GUIDE MEANS TO ALIGN SAID BAG INLET WITH SAID AIR INLET INWARDLY THEREOF; AND A MANUALLY OPERABLE MEANS ADJACENT SAID AIR INLET MOVABLE THROUGH THE SPACE BETWEEN SAID CHANNELS FOR PRESSING SAID GUIDE MEANS TRANVERSELY FROM THE SPACE BETWEEN SAID CHANNELS.
Claim 2
Dependent Claim
107 words
IN A VACUUM CLEANER: WALL MEANS DEFINING AN AIR INLET; MEANS FOR DRAWING DIRT LADEN AIR INWARDLY THROUGH SAID INLET; A FILTER BAD HAVING A BIG INLET AND GUIDE MEANS ADJACENT SAID BAG INLET; A FIRST TRACK LATERALLY ADJACENT SAID AIR INLET; A SECOND TRACK MOVABLY CARRIED OPPOSITELY LATERNALLY ADJACENT SAID AIR INLET, SAID TRACKS DEFINING CONFRONTING CHANNELS FOR LONGITUDINALLY SLIDABLY RECEIVING SPACED PORTIONS OF SAID GUIDE MEANS TO ALIGN SAID BAG INLET WITH SAID AIR INLET INWARDLY THEREOF; AND A MANUALLY OPERABLE MEANS ADJACENT SAID AIR INLET MOVABLE THROUGH THE SPACE BETWEEN SAID CHANNELS FOR PRESSING SAID GUIDE MEANS TRANVERSELY FROM THE SPACE BETWEEN SAID CHANNELS.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |