US2489785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee-making apparatus
Assignee: Individual
•
Filing: 1945-07-11
•
Granted: 1949-11-29
•
Expires: 1965-07-11
Abstract
No abstract record available.
Inventors
- 👤 Kershaw Henry
- 👤 Albert F Pityo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:48
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2234397A
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GB501867A
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US2345146A
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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) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |