US2847568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distance digital display or the like
Assignee: Hoffman Electronics Corp
•
Filing: 1955-10-24
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Granted: 1958-08-12
•
Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Julian A Saucedo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:48
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2589807A
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US2516888A
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US2639424A
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US2754494A
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US2568724A
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US2613264A
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US2651204A
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US2789267A
Cited
US2756741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |