US3215856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay circuit
Assignee: Allen Bradley Co LLC
•
Filing: 1962-11-02
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Granted: 1965-11-02
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Expires: 1982-11-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Moser
- 👤 Manfred E Neumann
- 👤 Ronald E Pollard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:26
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K5/00; H03K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
IN A TIME DELAY CIRCUIT, THE COMBINATION COMPRISING: A CAPACITOR CHARGING TRANSFORMER HAVING A PRIMARY WINDING CONNECTED ACROSS AN ALTERNATING CURRENT SOURCE AND AT LEAST TWO SECONDARY WINDINGS;
Claim 2
Dependent Claim
28 words
IN A TIME DELAY CIRCUIT, THE COMBINATION COMPRISING: A CAPACITOR CHARGING TRANSFORMER HAVING A PRIMARY WINDING CONNECTED ACROSS AN ALTERNATING CURRENT SOURCE AND AT LEAST TWO SECONDARY WINDINGS;
References Cited (Backward Citations)
US3032714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |