Patent US4183443A successfully refreshed from Google Patents.
US4183443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reusable cup cover
Assignee: Individual
•
Filing: 1978-08-25
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Granted: 1980-01-15
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Expires: 1998-08-25
Abstract
Abstract A reusable cup cover having two separable parts for washing and mating in such a way that a segmented portion is slidably arranged to seal the top of the cup cover by means of a users thumb operation to enable the user to drink from the covered cup and reseal between drinks with a lockable tab.
Inventors
- 👤 Lawrence T. DeParales
- 👤 Edward P. Billitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:28
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2266; A47G19/2272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A reusable cup cover comprising in combination with a cup, a cup cover having a perimeter for mating with a disposable cup, a concentric opening for receiving an expandable tip, an arcuate slot running along the perimeter below its upper edge, a pie shaped opening to permit drinking from the cup through the cover, having three slightly sloping surfaces upwardly in a preselected arcuate direction, and a segment for covering the cover opening having an expandable tip for mating with the concentric hole in said cover, a lip for slidably interfitting said arcuate slot along said cup perimeter, a sloping undersurface to sealably mate with the edges of said cover opening, means for latching said segment closed when the cover is placed in it closed position.
Claim 2
Dependent Claim
126 words
A reusable cup cover comprising in combination with a cup, a cup cover having a perimeter for mating with a disposable cup, a concentric opening for receiving an expandable tip, an arcuate slot running along the perimeter below its upper edge, a pie shaped opening to permit drinking from the cup through the cover, having three slightly sloping surfaces upwardly in a preselected arcuate direction, and a segment for covering the cover opening having an expandable tip for mating with the concentric hole in said cover, a lip for slidably interfitting said arcuate slot along said cup perimeter, a sloping undersurface to sealably mate with the edges of said cover opening, means for latching said segment closed when the cover is placed in it closed position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-01-14 | 1983-07-16 | 1984-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-14 | 1987-07-16 | 1988-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-14 | 1991-07-16 | 1992-01-15 | $7700.00 | Window Closed / Lapsed |