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Patent US2593501A successfully refreshed from Google Patents.
US2593501A
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Stroboscope
Assignee: Unisys Corp
•
Filing: 1947-06-04
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Granted: 1952-04-22
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Expires: 1967-06-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas Eric Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:56
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1934519A
Cited
US2139057A
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US2073247A
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US2111153A
Cited
US2133138A
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US2331317A
Cited
US2491342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |