US3045150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay circuit
Assignee: Leach Corp
•
Filing: 1958-10-13
•
Granted: 1962-07-17
•
Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 John E Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:15
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/02; H01H47/18; H03; H03K; H03K3/00; H03K3/02; H03K3/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143501A
Cited
US2433254A
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US2769926A
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US2759124A
Cited
US2780752A
Cited
US2918609A
Cited
US2906926A
Cited
US2867754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |