US3227929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light detection device
Assignee: Individual
•
Filing: 1961-10-13
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Granted: 1966-01-04
•
Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Mccreight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:48
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/18; G08B21/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A LIGHT SENSITIVE COMPRISING: A RIGID SUPPORTING ENCLOSURE; A SOLID DOME OF TRANSPARENT MATERIAL FIXED TO SAID ENCLOSURE AND EXTENDING OUTWARDLY THEREFROM; A CYLINDRICAL TRANSPARENT ROD EMBEDDED WITHIN SAID DOME, SAID ROD HAVING A CONICAL AXIAL RECESS FORMED IN THE ROD END ADJACENT THE DOME SURFACE, THE SURFACE OF SAID RECESS BEING LIGHT REFLECTIVE, THE OUTSIDE SURFACE OF SAID ROD BEING LIGHT REFLECTIVE FROM ITS REMAINING END TO A PLANE PERPENDICULAR TO THE ROD AXIS AS THE APEX OF SAID RECESS; AND LIGHT SENSITIVE GENERATING MEANS LOCATED ADJACENT SAID REMAINING END OF SAID ROD IN AXIAL ALIGNMENT THEREWITH.
Claim 2
Dependent Claim
98 words
A LIGHT SENSITIVE COMPRISING: A RIGID SUPPORTING ENCLOSURE; A SOLID DOME OF TRANSPARENT MATERIAL FIXED TO SAID ENCLOSURE AND EXTENDING OUTWARDLY THEREFROM; A CYLINDRICAL TRANSPARENT ROD EMBEDDED WITHIN SAID DOME, SAID ROD HAVING A CONICAL AXIAL RECESS FORMED IN THE ROD END ADJACENT THE DOME SURFACE, THE SURFACE OF SAID RECESS BEING LIGHT REFLECTIVE, THE OUTSIDE SURFACE OF SAID ROD BEING LIGHT REFLECTIVE FROM ITS REMAINING END TO A PLANE PERPENDICULAR TO THE ROD AXIS AS THE APEX OF SAID RECESS; AND LIGHT SENSITIVE GENERATING MEANS LOCATED ADJACENT SAID REMAINING END OF SAID ROD IN AXIAL ALIGNMENT THEREWITH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |