US3004309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic closure seal
Assignee: Westinghouse Electric Corp
•
Filing: 1959-04-30
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Granted: 1961-10-17
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Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Paul C Korodi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:38
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; E05C19/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2471635A
Cited
US2723896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |