US2936447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital output
Assignee: Daytronic Corp
•
Filing: 1957-06-03
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Granted: 1960-05-10
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Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Robert M Kinkead
- 👤 Jr Milton M Moorhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:27
CPC Classifications
G; G01; G01G; G01G7/00; G01G7/02; G01G23/00; G01G23/18; G01G23/36; G01G23/37; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/28; H03M1/30; H03M1/301; H03M1/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |