US3334574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cup mounted coffee cones
Assignee: Individual
•
Filing: 1964-06-04
•
Granted: 1967-08-08
•
Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Douglas David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:44
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A DRIP-TYPE COFFEE MAKER ADAPTED TO BE POSITIONED OVER THE OPENING OF A DRINKING OR SERVING VESSEL COMPRISING: A CONE-SHAPED RECEPTACLE ADAPTED TO RETAIN GROUND COFFEE AND HAVING A CENTRAL APERTURE AT ITS SMALL END TO PERMIT WATER TO FLOW OUT OF SAID RECEPTACLE AFTER IT HAS PASSED THROUGH THE COFFEE; AN OUTWARDLY EXTENDING BASE FIXED TO SAID SMALL END, SAID BASE HAVING A PLURALITY OF RADIAL RIBS THEREON WHICH ARE OF A STEPPED CONTOUR, EACH OF SAID STEPS HAVING AN OUTWARDLY FACING STEP PORTION AND AN OUTER RIB PORTION TO PERMIT THE COFFEE MAKER TO BE POSITIONED OVER THE TOP OPENING OF DRINKING OR SERVING VESSELS OF VARIABLE SIZE, SAID OUTWARDLY FLARING BASE FURTHER CHARACTERIZED BY APERTURES THEREIN ADAPTED TO PERMIT THE USER TO SEE THE RISING LEVEL OF COFFEE IN THE VESSEL AND THEREBY AVOID POURING EXCESSIVE WATER THEREIN.
Claim 2
Dependent Claim
141 words
A DRIP-TYPE COFFEE MAKER ADAPTED TO BE POSITIONED OVER THE OPENING OF A DRINKING OR SERVING VESSEL COMPRISING: A CONE-SHAPED RECEPTACLE ADAPTED TO RETAIN GROUND COFFEE AND HAVING A CENTRAL APERTURE AT ITS SMALL END TO PERMIT WATER TO FLOW OUT OF SAID RECEPTACLE AFTER IT HAS PASSED THROUGH THE COFFEE; AN OUTWARDLY EXTENDING BASE FIXED TO SAID SMALL END, SAID BASE HAVING A PLURALITY OF RADIAL RIBS THEREON WHICH ARE OF A STEPPED CONTOUR, EACH OF SAID STEPS HAVING AN OUTWARDLY FACING STEP PORTION AND AN OUTER RIB PORTION TO PERMIT THE COFFEE MAKER TO BE POSITIONED OVER THE TOP OPENING OF DRINKING OR SERVING VESSELS OF VARIABLE SIZE, SAID OUTWARDLY FLARING BASE FURTHER CHARACTERIZED BY APERTURES THEREIN ADAPTED TO PERMIT THE USER TO SEE THE RISING LEVEL OF COFFEE IN THE VESSEL AND THEREBY AVOID POURING EXCESSIVE WATER THEREIN.
References Cited (Backward Citations)
US2234397A
Cited
US2358556A
Cited
FR1105494A
Cited
US2835191A
Cited
US3080810A
Cited
US3166003A
Cited
US3215060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |