US3938690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spill-proof drinking container
Assignee: Lee Raymond Organization Inc
•
Filing: 1975-01-08
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Granted: 1976-02-17
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Expires: 1995-01-08
Abstract
Abstract A cover is mounted in a leakproof manner over the open mouth of a drinking container. An opening is formed through the cover in the area of the circumference of the cover. A closure member is slidably mounted on the cover for movement over the opening whereby the container is rendered spill-proof and for movement to a position free from the opening whereby a user may pour and drink liquid in the container through the opening in the cup.
Inventors
- 👤 Robert C. Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:50
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2266; A47G19/2272; B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/28; B65D47/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A spill-proof drinking container, comprising a cover mounted in a substantially leakproof manner over the open mouth of a drinking container and having an opening formed therethrough in the area of the circumference of the cover; a closure member slidably mounted on the cover for movement over the opening whereby the container is rendered spill-proof and for movement to a position free from the opening whereby a user may pour and drink liquid in the container through the opening in the cover; guide means on the underside of the cover for guiding the closure member, said closure member being movably mounted in the guide means; a projecting member extending from the overside of the closure member to facilitate manual movement of the closure member in the guide means; and compression spring means mounted in close proximity with the closure member in the guide means and abutting the closure member for urging the closure member over the opening.
Claim 2
Dependent Claim
157 words
A spill-proof drinking container, comprising a cover mounted in a substantially leakproof manner over the open mouth of a drinking container and having an opening formed therethrough in the area of the circumference of the cover; a closure member slidably mounted on the cover for movement over the opening whereby the container is rendered spill-proof and for movement to a position free from the opening whereby a user may pour and drink liquid in the container through the opening in the cover; guide means on the underside of the cover for guiding the closure member, said closure member being movably mounted in the guide means; a projecting member extending from the overside of the closure member to facilitate manual movement of the closure member in the guide means; and compression spring means mounted in close proximity with the closure member in the guide means and abutting the closure member for urging the closure member over the opening.
References Cited (Backward Citations)
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Cited
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Cited
US2159978A
Cited
US2433142A
Cited
US2757859A
Cited
US2884157A
Cited
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Cited
US3412892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-16 | 1979-08-18 | 1980-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-16 | 1983-08-18 | 1984-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-16 | 1987-08-18 | 1988-02-17 | $7700.00 | Window Closed / Lapsed |