Patent US859328A successfully refreshed from Google Patents.
Patent US3561018A successfully refreshed from Google Patents.
US3561018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bathtub assist
Assignee: Individual
•
Filing: 1968-10-07
•
Granted: 1971-02-09
•
Expires: 1988-10-07
Abstract
Abstract A PLATFORM FOR SUPPORTING A BATHER AT THE TOP OF A BATHTUB AND ADAPTED TO BE LOWERED AND RAISED BY MECHANICAL HYDRAULIC FORCE BY MEANS OF A CYLINDER AND PISTON AT EACH END OF THE BATHTUB WITH THE CYLINDERS MOUNTED ON CROSS-MEMBERS SUPPORTED ON THE RIM OF THE BATHTUB.
Inventors
- 👤 Mitchell D Mcvay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:09
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1001; A61G7/1003; A61G7/1013; A61G7/1019; A61G7/1049; A61G7/1057; A61G2200/00; A61G2200/30; A61G2200/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |