Patent US3221637A successfully refreshed from Google Patents.
US3221637A
Expired / Lapsed
US
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Apparatus for brewing and dispensing beverages
Assignee: Coffee-Mat Corp
•
Filing: 1965-03-09
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Granted: 1965-12-07
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Sollie W Small
- 👤 Herman David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
G; G07; G07F; G07F13/00; G07F13/06; G07F13/065; A; A47; A47J; A47J31/00; A47J31/24; A47J31/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A BREWING APPARATUS COMPRISING A BREW CHAMBER INCLUDING A MEMBER DEFINING A WALL THEREOF, MEANS FOR INTRODUCING AN INFUSION MATERIAL INTO SAID BREW CHAMBER, MEANS FOR PASSING A BREWING LIQUID THROUGH SAID INFUSION MATERIAL IN SAID BREW CHAMBER, AND MEANS FOR DISCHARGING SAID INFUSION MATERIAL FROM SAID BREW CHAMBER INCLUDING MEANS FOR MOVING SAID WALL MEMBER RAPIDLY DOWN AND BRINGING SAID WALL MEMBER TO AN ABRUPT STOP TO EFFECT THE SEPARATION OF SAID INFUSION MATERIAL THEREFROM.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |