US2661889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal coffee cup
Assignee: Individual
•
Filing: 1948-07-20
•
Granted: 1953-12-08
•
Expires: 1968-07-20
Abstract
No abstract record available.
Inventors
- 👤 Delbert E Phinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:58
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2266; A47G19/2272; A47G19/2288; Y; Y10; Y10S; Y10S220/00; Y10S220/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US885887A
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US1208483A
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US1497159A
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US2053679A
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US1966270A
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US2144948A
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US2266828A
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US2329512A
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US2563352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |