Patent US2018563A successfully refreshed from Google Patents.
Patent US2553751A successfully refreshed from Google Patents.
US2553751A
Expired / Lapsed
US
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Icing device
Assignee: Individual
•
Filing: 1948-10-18
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Granted: 1951-05-22
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Expires: 1968-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Courtade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:03
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; F25D31/00; F25D31/006; F25D31/007; F25D2303/00; F25D2303/08; F25D2303/081; F25D2303/084; F25D2303/0841; F25D2303/0844; F25D2303/0846; F25D2331/00; F25D2331/80; F25D2331/803; F25D2331/804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |