Patent US4090660A successfully refreshed from Google Patents.
US4090660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable drinking cup lid
Assignee: Individual
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Filing: 1976-12-16
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Granted: 1978-05-23
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Expires: 1996-12-16
Abstract
Abstract A disposable lid for a conventional paper cup, the lid having a groove on its underside for snap fitting on the cup, and the lid additionally including a pair of radial score lines that can be torn so to form a liftable tab so a person can drink from the cup while the lid is still on; the tab being pivotable so to refit on the cup in order to close the same.
Inventors
- 👤 Robert A. Schram
- 👤 Alfred Affrunti, Jr.
- 👤 Angela Affrunti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:08
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/10; B65D47/103; B65D47/08; B65D47/0804; B65D47/0833; B65D2231/00; B65D2231/02; B65D2231/022; B65D2251/00; B65D2251/10; B65D2251/1016
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
181 words
A disposable drinking cup lid for snap fitting on an upper edge of a disposable drinking cup, comprising in combination, a circular shaped member formed from sheet plastic, a peripheral groove on an underside of said member, and a pair of radially extending score lines starting at a peripheral edge of said member and extending to a point that is short of a center of said member so that inners ends of said scores lines are spaced apart, said score lines defining a tab therebetween when torn along said score lines and a pair of expandable corrugations formed in said member in parallel relationship with each other, and extending transversely across the entire width of the tab between the score lines in a substantially circumferential direction, whereby when the tab is torn along the score lines the tab can be radially moved by expanding and contacting of the corrugations to facilitate seating of the tab over the upper edge of the cup to close the cup, and wherein the corrugations continue across the score lines onto the adjacent circular shaped member.
Claim 2
Dependent Claim
181 words
A disposable drinking cup lid for snap fitting on an upper edge of a disposable drinking cup, comprising in combination, a circular shaped member formed from sheet plastic, a peripheral groove on an underside of said member, and a pair of radially extending score lines starting at a peripheral edge of said member and extending to a point that is short of a center of said member so that inners ends of said scores lines are spaced apart, said score lines defining a tab therebetween when torn along said score lines and a pair of expandable corrugations formed in said member in parallel relationship with each other, and extending transversely across the entire width of the tab between the score lines in a substantially circumferential direction, whereby when the tab is torn along the score lines the tab can be radially moved by expanding and contacting of the corrugations to facilitate seating of the tab over the upper edge of the cup to close the cup, and wherein the corrugations continue across the score lines onto the adjacent circular shaped member.
Claim 3
Dependent Claim
24 words
The combination as set forth in claim 1 wherein there is a cross score line upon a portion of said member defining said tab.
Claim 4
Dependent Claim
28 words
The combination as set forth in claim 1 and wherein one of the corrugations is of larger diameter than the other to have greater flex than the other.
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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) | 1981-05-22 | 1981-11-21 | 1982-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-22 | 1985-11-21 | 1986-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-22 | 1989-11-21 | 1990-05-23 | $7700.00 | Window Closed / Lapsed |