Patent EP0412554B1 successfully refreshed from Google Patents.
US952941A
Expired / Lapsed
US
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Electric heater and cooking apparatus.
Assignee: FERDINAND E FINSTERBACH
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Filing: 1909-05-10
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Granted: 1910-03-22
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Expires: 1929-05-10
Abstract
No abstract record available.
Inventors
- 👤 Frank C Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:47
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/04; A21; A21B; A21B3/00; A21B3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-03-21 | 1913-09-20 | 1914-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-21 | 1917-09-20 | 1918-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-21 | 1921-09-20 | 1922-03-22 | $7700.00 | Window Closed / Lapsed |