US2481384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electric steam table
Assignee: Individual
•
Filing: 1947-03-25
•
Granted: 1949-09-06
•
Expires: 1967-03-25
Abstract
No abstract record available.
Inventors
- 👤 Wilfred E Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:17
CPC Classifications
A; A47; A47J; A47J39/00; A47J39/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1513357A
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US1850193A
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US2125627A
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US2133508A
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US2182682A
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US2242328A
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US2259519A
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US2251582A
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US2378772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |