US3202783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch with pole plates having a separation of non-magnetizable material
Assignee: Hazemeijer BV
•
Filing: 1962-02-16
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Granted: 1965-08-24
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Expires: 1982-02-16
Abstract
No abstract record available.
Inventors
- 👤 Griesen Bertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:10
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/02; H01H9/00; H01H9/08; H01H9/085
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |