Patent US3581881A successfully refreshed from Google Patents.
US3581881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflated container for balls
Assignee: Individual
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Filing: 1969-03-17
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Granted: 1971-06-01
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Expires: 1989-03-17
Abstract
Abstract The invention is a pressuretight container with an open end and a closure, to seal the open end, that includes a hand operated air pump to pressurize the container.
Inventors
- 👤 James C Hobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:40
CPC Classifications
A; A63; A63B; A63B39/00; A63B39/02; A63B39/025
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
152 words
A container comprising a hollow impervious cylinder adapted to receive a plurality of loose inflated balls and having a closed end and an open end with an annular sealing surface at the open end, a combined closure and pump assembly at the open end of the cylinder, said assembly including a hemispheric elastomeric cap having an air inlet opening and a peripheral rib, a rigid plate and an elastomeric disc, said cap, plate and disc having diameters slightly greater than that of the sealing surface of the cylinder and a one way check valve to permit air flow from the cap into the cylinder, and clamp means connected to the cylinder and including a ring engageable with the peripheral rib of the cap for pressing the disc into sealing engagement with the sealing surface of the cylinder and peripheral portions of the cap, plate and disc into airtight contact with one another.
Claim 2
Dependent Claim
152 words
A container comprising a hollow impervious cylinder adapted to receive a plurality of loose inflated balls and having a closed end and an open end with an annular sealing surface at the open end, a combined closure and pump assembly at the open end of the cylinder, said assembly including a hemispheric elastomeric cap having an air inlet opening and a peripheral rib, a rigid plate and an elastomeric disc, said cap, plate and disc having diameters slightly greater than that of the sealing surface of the cylinder and a one way check valve to permit air flow from the cap into the cylinder, and clamp means connected to the cylinder and including a ring engageable with the peripheral rib of the cap for pressing the disc into sealing engagement with the sealing surface of the cylinder and peripheral portions of the cap, plate and disc into airtight contact with one another.
Claim 3
Dependent Claim
38 words
The combination of elements set forth in claim 1 in which the check valve comprises a rib depending from said plate around an opening through the plate and a valve on the disc and seatable on the rib.
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |