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Patent US2544836A successfully refreshed from Google Patents.
US2544836A
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Coffee-making apparatus
Assignee: Individual
•
Filing: 1947-05-19
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Granted: 1951-03-13
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Expires: 1967-05-19
Abstract
No abstract record available.
Inventors
- 👤 Richard D Hotvedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:55
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US411037A
Cited
US941009A
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US1603130A
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US1822433A
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US1805159A
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US1869720A
Cited
US2049981A
Cited
US2067918A
Cited
US2450177A
Cited
US2493932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |