US3178730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid aerating and agitating device
Assignee: Individual
•
Filing: 1962-08-17
•
Granted: 1965-04-20
•
Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Bogar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/02; A61H33/025; B; B64; B64C; B64C25/00; B64C25/32; B64C25/54; A61H2201/00; A61H2201/01; A61H2201/0119; A61H2201/013; B64C2025/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A LIQUID AERATING AND AGITATING DEVICE COMPRISING AN INTEGRAL, ONE PIECE FLAT MAT OF A MOLDABLE RESILIENT MATERIAL SUCH AS RUBBER, PILLARS ON THE UNDERSIDE OF SAID MAT TO SUPPORT OF THE BODY OF THE MAT SPACED ABOVE THE BOTTOM OF A TUB CONTAINING A LIQUID AND FORM AN OPEN BOTTOM AIR CHAMBER UNDER THE MAT, A COMPRESSED AIR CONNECTION IN THE TOP OF THE MAT COMMUNICATING WITH SAID CHAMBER, MEANS ON THE LOWER ENDS OF SAID PILLARS FOR SECURING THE MAT TO THE BOTTOM OF THE TUB AND PREVENT UPLIFT FROM SAID AIR PRESSURE AND THE BUOYANCY OF SAID CHAMBER, APERTURES IN THE TOP SIDE OF THE MAT COMMUNICATING WITH SAID CHAMBER, AND AN INWARDLY DIRECTED RELATIVELY THIN AND FLEXIBLE SEALING LIP ON BOTTOM OF THE MAT AROUND ITS PERIPHERY ARRANGED TO BE PRESSED AGAINST THE BOTTOM OF THE TUB BY THE AIR PRESSURE IN SAID CHAMBER TO PREVENT ESCAPE OF AIR UNDER THE EDGES OF THE MAT, SAID PILLARS BEING DISTRIBUTED OVER THE AREA OF THE MAT TO PREVENT COLLAPSE OF SAID AIR CHAMBER WHEN A WEIGHT IS PLACED ON TOP OF THE MAT AND SPACED AROUND THE MARGIN OF THE MAT TO ASSIST IN HOLDING SAID LIP AGAINST THE TUB.
Claim 2
Dependent Claim
203 words
A LIQUID AERATING AND AGITATING DEVICE COMPRISING AN INTEGRAL, ONE PIECE FLAT MAT OF A MOLDABLE RESILIENT MATERIAL SUCH AS RUBBER, PILLARS ON THE UNDERSIDE OF SAID MAT TO SUPPORT OF THE BODY OF THE MAT SPACED ABOVE THE BOTTOM OF A TUB CONTAINING A LIQUID AND FORM AN OPEN BOTTOM AIR CHAMBER UNDER THE MAT, A COMPRESSED AIR CONNECTION IN THE TOP OF THE MAT COMMUNICATING WITH SAID CHAMBER, MEANS ON THE LOWER ENDS OF SAID PILLARS FOR SECURING THE MAT TO THE BOTTOM OF THE TUB AND PREVENT UPLIFT FROM SAID AIR PRESSURE AND THE BUOYANCY OF SAID CHAMBER, APERTURES IN THE TOP SIDE OF THE MAT COMMUNICATING WITH SAID CHAMBER, AND AN INWARDLY DIRECTED RELATIVELY THIN AND FLEXIBLE SEALING LIP ON BOTTOM OF THE MAT AROUND ITS PERIPHERY ARRANGED TO BE PRESSED AGAINST THE BOTTOM OF THE TUB BY THE AIR PRESSURE IN SAID CHAMBER TO PREVENT ESCAPE OF AIR UNDER THE EDGES OF THE MAT, SAID PILLARS BEING DISTRIBUTED OVER THE AREA OF THE MAT TO PREVENT COLLAPSE OF SAID AIR CHAMBER WHEN A WEIGHT IS PLACED ON TOP OF THE MAT AND SPACED AROUND THE MARGIN OF THE MAT TO ASSIST IN HOLDING SAID LIP AGAINST THE TUB.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |