US2819364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mutually latching duplex relay
Assignee: Individual
•
Filing: 1956-02-24
•
Granted: 1958-01-07
•
Expires: 1976-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jaidinger John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:58
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1151720A
Cited
US1131447A
Cited
FR525591A
Cited
US1702490A
Cited
GB341221A
Cited
GB421548A
Cited
US2061920A
Cited
US2255905A
Cited
US2329036A
Cited
US2631207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |