US3428783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooking apparatus
Assignee: VERGIL A NILES
•
Filing: 1967-02-27
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Granted: 1969-02-18
•
Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 Vergil A Niles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:33
CPC Classifications
F; F24; F24C; F24C7/00; A; A47; A47J; A47J27/00; A47J27/08; A47J27/0817
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1732289A
Cited
US1768172A
Cited
US1958590A
Cited
US2339974A
Cited
US3169871A
Cited
US3030486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |