US2415179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric inspection device
Assignee: Individual
•
Filing: 1944-09-23
•
Granted: 1947-02-04
•
Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel C Hurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:12
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/02; Y; Y10; Y10S; Y10S33/00; Y10S33/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2033645A
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US2138645A
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US2114867A
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GB470638A
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US2171362A
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US2280948A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |