Patent US2753464A successfully refreshed from Google Patents.
US2753464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for inspecting tinplate
Assignee: Republic Steel Corp
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Filing: 1950-08-11
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Granted: 1956-07-03
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Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 Leonard R Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; B; B07; B07C; B07C5/00; B07C5/34; B07C5/342
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SCANNER COMPRISING A HOUSING HAVING A TOP WALL INCORPORATING AN INNER REFLECTION SURFACE, A PARTITION NORMAL TO SAID TOP WALL AND EXTENDING ALONG THE LENGTH THEREOF. A FIRST BOTTOM WALL ALONG ONE SIDE OF SIAD PARTITION IN SPACED GENERALLY PARALLEL RELATION WITH SAID TOP WALL AND INCORPORATING A REFLECTION SURFACE ON THE INNER SIDE THEREOF, A SECOND SIMILAR BOTTOM WALL POSITIONED ALONG THE OTHER SIDE OF SAID PARTITION AND HAVING AN OPENING ALONG THE LENGTH THEREOF, A PHOTO-SENSITIVE DEVICE MOUNTED ON EACH SIDE OF SAID PARTITION IN A FIRST END OF SAID HOUSING, AND MEANS AT THE SECOND END OF SAID HOUSING FOR FORMING REFLECTIVELY PROPAGATING BEAMS OF LIGHT OIN EITHER SIDE OF THE SAID PARTITION, EACH BEAM ENCOMPASSING CONTIGUOUS REFLECTION AREAS.
Claim 2
Dependent Claim
123 words
A SCANNER COMPRISING A HOUSING HAVING A TOP WALL INCORPORATING AN INNER REFLECTION SURFACE, A PARTITION NORMAL TO SAID TOP WALL AND EXTENDING ALONG THE LENGTH THEREOF. A FIRST BOTTOM WALL ALONG ONE SIDE OF SIAD PARTITION IN SPACED GENERALLY PARALLEL RELATION WITH SAID TOP WALL AND INCORPORATING A REFLECTION SURFACE ON THE INNER SIDE THEREOF, A SECOND SIMILAR BOTTOM WALL POSITIONED ALONG THE OTHER SIDE OF SAID PARTITION AND HAVING AN OPENING ALONG THE LENGTH THEREOF, A PHOTO-SENSITIVE DEVICE MOUNTED ON EACH SIDE OF SAID PARTITION IN A FIRST END OF SAID HOUSING, AND MEANS AT THE SECOND END OF SAID HOUSING FOR FORMING REFLECTIVELY PROPAGATING BEAMS OF LIGHT OIN EITHER SIDE OF THE SAID PARTITION, EACH BEAM ENCOMPASSING CONTIGUOUS REFLECTION AREAS.
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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) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |