US2623657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooker
Assignee: Individual
•
Filing: 1947-08-11
•
Granted: 1952-12-30
•
Expires: 1967-08-11
Abstract
No abstract record available.
Inventors
- 👤 Vries Henry J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:38
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; A47J27/092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US495299A
Cited
GB190419330A
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GB128108A
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US1399345A
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US1576580A
Cited
GB261370A
Cited
US1716024A
Cited
FR624155A
Cited
US1887700A
Cited
US1834837A
Cited
US2513350A
Cited
US2549387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |