Patent US3393628A successfully refreshed from Google Patents.
US3393628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooker
Assignee: Individual
•
Filing: 1966-09-29
•
Granted: 1968-07-23
•
Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred Vischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:05
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/14; A47J27/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US365915A
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US573273A
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CA687231A
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US713056A
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US817495A
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US1328657A
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US1719322A
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US2574950A
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US3030486A
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US3130662A
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US3236172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |