US3629879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid waste container
Assignee: Individual
•
Filing: 1970-06-19
•
Granted: 1971-12-28
•
Expires: 1990-06-19
Abstract
Abstract A device for receiving liquid waste, the device being on the order of a cuspidor. The main body of the device includes a flexible upper wall to which is secured an upwardly extending funnel which may be pushed downward onto an internal cone secured to the bottom wall of the device in order to close the device.
Inventors
- 👤 Carl K Forst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:04
CPC Classifications
A; A61; A61J; A61J19/00; A61C; A61C17/00; A61C17/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
65 words
A liquid waste receiving container, comprising, a tapered and hollow main body a bottom wall, a flexible upper wall carried by said main body having an opening centrally thereof, a frustoconical-shaped funnel engaging in said opening of said flexible upper wall and a hollow perforated cone carried by said bottom wall whereby liquid will flow through said perforations thereby increasing the capacity of said container.
Claim 2
Dependent Claim
65 words
A liquid waste receiving container, comprising, a tapered and hollow main body a bottom wall, a flexible upper wall carried by said main body having an opening centrally thereof, a frustoconical-shaped funnel engaging in said opening of said flexible upper wall and a hollow perforated cone carried by said bottom wall whereby liquid will flow through said perforations thereby increasing the capacity of said container.
Claim 3
Dependent Claim
71 words
The combination according to claim 1 wherein said funnel in said upper wall when urged downwardly flexes said upper wall downwardly within said main body and said funnel engages the apex portion of said cone on said bottom, whereby said bottom cone alsO acts as a baffle for the liquid waste and aids in preventing spilling of said liquid waste when said funnel is not closed off by said bottom cone.
References Cited (Backward Citations)
US1160553A
Cited
US2218002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |