US3469215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-pole electromagnetic relay with convertible contacts
Assignee: Pirelli and C SpA
•
Filing: 1967-05-23
•
Granted: 1969-09-23
•
Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 Antonio Brovedan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:43
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/0006; H01H11/0012; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H50/00; H01H50/54; H01H50/546; H01H1/24; H01H1/30; H01H50/16; H01H50/18; H01H50/20; H01H50/22; H01H2050/225; H01H50/08; H01H50/163; H01H50/30; H01H50/305; H01H50/44; H01H50/46
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |