US2922855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic switch device
Assignee: Giannini Controls Corp
•
Filing: 1955-01-31
•
Granted: 1960-01-26
•
Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Adriano C Ducati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:25
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/287
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1806188A
Cited
US1799651A
Cited
US1907932A
Cited
US2187950A
Cited
US2190685A
Cited
US2289830A
Cited
US2378986A
Cited
US2506414A
Cited
US2696543A
Cited
US2535400A
Cited
US2688059A
Cited
US2694117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |