Patent US2903552A successfully refreshed from Google Patents.
US2903552A
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Automatic percolator
Assignee: Sunbeam Corp
•
Filing: 1953-09-17
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Granted: 1959-09-08
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Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Jepson Ivar
- 👤 Ludvik J Koci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:01
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0213; A; A47; A47J; A47J31/00; A47J31/04; A47J31/053; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52
Claims Analysis
Total Claims: 0
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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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |