US2601067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee brewing
Assignee: Raytheon Co
•
Filing: 1948-03-24
•
Granted: 1952-06-17
•
Expires: 1968-03-24
Abstract
No abstract record available.
Inventors
- 👤 Percy L Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:48
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/44; A47J31/54; A47J31/547; A47J31/04; A47J31/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1634705A
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US2103469A
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US2158587A
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US2133178A
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GB501867A
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US2359405A
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US2413003A
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US2464722A
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US2532460A
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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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |