US3478677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooker
Assignee: International Machinery Corp SA
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Filing: 1966-08-08
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Granted: 1969-11-18
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Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 Samuel A Mencacci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:56
CPC Classifications
B; B01; B01B; B01B1/00; A; A23; A23B; A23B2/00; A23B2/20
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |