Patent US3158084A successfully refreshed from Google Patents.
US3158084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee maker
Assignee: Individual
•
Filing: 1963-04-08
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Granted: 1964-11-24
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Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Harold J Cohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:49
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/18; A47J31/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A DEVICE FOR MAKING COFFEE COMPRISING AN OPENTOPPED CYLINDRICAL RECEPTACLE ADAPTED TO CONTAIN A CHARGE OF WATER TO BE USED IN MAKING COFFEE, A HOLLOW CYLINDRICAL PLUNGER ADAPTED TO CONTAIN GROUND COFFEE RECEIVED IN SAID RECEPTACLE FOR MOVEMENT AXIALLY THEREOF AND HAVING PERFORATIONS IN ITS TOP AND BOTTOM, A SEAL RING CARRIED BY SAID PLUNGER AND INTERPOSED BETWEEN SAID PLUNGER AND THE INNER SURFACE OF SAID RECEPTACLE, A DETACHABLE COVER FOR SAID CONTAINER HAVING A ROD-PASSING OPENING, A PLUNGER ROD ATTACHED TO SAID PLUNGER AND EXTENDING THEREABOVE AND SLIDEABLY THROUGH SAID OPENING IN THE COVER, A HANDLE ON THE OUTER END OF SAID ROD, AND A COMPRESSION SPRING BETWEEN SAID COVER AND SAID PLUNGER FOR FORCING SAID PLUNGER DOWNWARDLY THROUGH THE WATER IN THE CONTAINER.
References Cited (Backward Citations)
US2732268A
Cited
US2614793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |