US2730698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position indicating apparatus
Assignee: Unisys Corp
•
Filing: 1951-03-26
•
Granted: 1956-01-10
•
Expires: 1971-03-26
Abstract
No abstract record available.
Inventors
- 👤 Howard L Daniels
- 👤 John W Hogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:16
CPC Classifications
H; H03; H03M; H03M1/00; H03G; H03G7/00; H03G7/02; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089441A
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US2168149A
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US2431591A
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US2405597A
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US2420509A
Cited
US2403889A
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US2609143A
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US2680241A
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US2700148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |