US3458772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic time delay relay
Assignee: GEORGE M EGART
•
Filing: 1966-05-02
•
Granted: 1969-07-29
•
Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 George M Egart
- 👤 Walter Freese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:52
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K5/00; H03K5/01; H03K5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2981898A
Cited
US3049627A
Cited
US3082329A
Cited
US2969486A
Cited
US3144568A
Cited
US3246209A
Cited
US3163803A
Cited
US3215856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |