Patent US3328592A successfully refreshed from Google Patents.
US3328592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric wall switch and relay system
Assignee: Individual
•
Filing: 1964-09-14
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Granted: 1967-06-27
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Ii Howard R Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:04
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/22; H01H47/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
ELECTRICAL CONTROL STRUCTURE COMPRISING: A WALL PRESENTING AN UPWARDLY EXTENDING SURFACE; AND SWITCHING APPARATUS ON SAID WALL ACCESSIBLE FOR OPERATION THEREOF AT A REGION ADJACENT SAID SURFACE, SAID APPARATUS INCLUDING: A HOUSING IN SAID WALL HAVING A COVER DISPOSED SUBSTANTIALLY IN THE PLANE OF SAID SURFACE; A LIGHT SOURCE DISPOSED IN SAID HOUSING, SAID COVER HAVING A LIGH-TRANSMITTING PORTION PERMITTING RADIATION OF LIGHT RAYS FROM SAID SOURCE OUTWARDLY FROM THE HOUSING; A LIGHT-RESPONSIVE, BISTATE DEVICE; A FIXTURE ON SAID WALL SPACED FROM SAID COVER THEREABOVE AND MOUNTING SAID DEVICE IN OUTWARDLY SPACED RELATIONSHIP TO SAID SURFACE;
Claim 2
Dependent Claim
96 words
ELECTRICAL CONTROL STRUCTURE COMPRISING: A WALL PRESENTING AN UPWARDLY EXTENDING SURFACE; AND SWITCHING APPARATUS ON SAID WALL ACCESSIBLE FOR OPERATION THEREOF AT A REGION ADJACENT SAID SURFACE, SAID APPARATUS INCLUDING: A HOUSING IN SAID WALL HAVING A COVER DISPOSED SUBSTANTIALLY IN THE PLANE OF SAID SURFACE; A LIGHT SOURCE DISPOSED IN SAID HOUSING, SAID COVER HAVING A LIGH-TRANSMITTING PORTION PERMITTING RADIATION OF LIGHT RAYS FROM SAID SOURCE OUTWARDLY FROM THE HOUSING; A LIGHT-RESPONSIVE, BISTATE DEVICE; A FIXTURE ON SAID WALL SPACED FROM SAID COVER THEREABOVE AND MOUNTING SAID DEVICE IN OUTWARDLY SPACED RELATIONSHIP TO SAID SURFACE;
References Cited (Backward Citations)
US2228780A
Cited
US1819439A
Cited
US2039604A
Cited
US2174206A
Cited
US2363145A
Cited
US2685064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |