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US2925576A
Expired / Lapsed
US
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Strain-sensitive electrical pick-up device
Assignee: Unisys Corp
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Filing: 1955-12-19
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Granted: 1960-02-16
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Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Henry H Wakeland
- 👤 Broder Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:07
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2292549A
Cited
US2393714A
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US2472045A
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US2633019A
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US2663781A
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US2637210A
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US2795134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |