US3053953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relay
Assignee: Siemens and Halske AG
•
Filing: 1960-07-29
•
Granted: 1962-09-11
•
Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Bruamann Gundokar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:25
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/281; H01H67/00; H01H67/22; H01H67/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US994345A
Cited
US1318178A
Cited
US2305450A
Cited
US2361579A
Cited
US2564432A
Cited
US2610242A
Cited
US2863020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |