Patent US3313447A successfully refreshed from Google Patents.
US3313447A
Expired / Lapsed
US
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Anti-splash guard for drinking receptacle
Assignee: Individual
•
Filing: 1965-10-19
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Granted: 1967-04-11
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Spencer Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:28
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2211; B; B65; B65D; B65D1/00; B65D1/22; B65D1/26; B65D1/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN COMBINATION WITH A CIRCULAR RECEPTACLE OPEN AT THE TOP AND USED FOR DRINKING A LIQUID CONTAINED IN THE RECEPTACLE, A DISC FITTING IN SAID OPEN END OF THE RECEPTACLE, THE DISC BEING FORMED SO AS TO PRODUCE A MULTIPLICITY OF FLOW PASSAGES DISTRIBUTED IN CLOSELY SPACED RELATION WITHIN AN AREA LOCATED BETWEEN THE INNER WALL OF THE RECEPTACLE AND A CIRCLE WHICH IS SPACED A MODERATE DISTANCE INWARDLY THEREFROM AND HAS THE AXIS OF THE RECEPTACLE AS ITS CENTER AND WITH THE FLOW PASSAGES CHARACTERIZED IN THAT LIQUID IS CAUSED IN THE COURSE OF ITS TRAVERSAL OF ANY ONE PASSAGE TO INTERMINGLE WITH LIQUID FROM A NEXT ADJACENT PASSAGE.
Claim 2
Dependent Claim
110 words
IN COMBINATION WITH A CIRCULAR RECEPTACLE OPEN AT THE TOP AND USED FOR DRINKING A LIQUID CONTAINED IN THE RECEPTACLE, A DISC FITTING IN SAID OPEN END OF THE RECEPTACLE, THE DISC BEING FORMED SO AS TO PRODUCE A MULTIPLICITY OF FLOW PASSAGES DISTRIBUTED IN CLOSELY SPACED RELATION WITHIN AN AREA LOCATED BETWEEN THE INNER WALL OF THE RECEPTACLE AND A CIRCLE WHICH IS SPACED A MODERATE DISTANCE INWARDLY THEREFROM AND HAS THE AXIS OF THE RECEPTACLE AS ITS CENTER AND WITH THE FLOW PASSAGES CHARACTERIZED IN THAT LIQUID IS CAUSED IN THE COURSE OF ITS TRAVERSAL OF ANY ONE PASSAGE TO INTERMINGLE WITH LIQUID FROM A NEXT ADJACENT PASSAGE.
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |