US3085179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means
Assignee: Vapor Corp
•
Filing: 1958-12-24
•
Granted: 1963-04-09
•
Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 William C Keeran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/30; H01H43/301; H01H43/302; H01H43/304; H01H29/00; H01H29/16; H01H37/00; H01H37/02; H01H37/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
SWITCHING APPARATUS, COMPRISING A HERMETICALLY SEALED HOUSING HAVING A WINDOW WALL PORTION, A PHOTOCELL MOUNTED IN ONE END OF SAID HOUSING AND DISPOSED TO INTERCEPT AT LEAST A PORTION OF THE LIGHT ENTERING SAID HOUSING THROUGH SAID WINDOW WALL PORTION, SAID PHOTOCELL HAVING AN ELECTRICAL CHARACTERISTIC WHICH VARIES IN ACCORDANCE WITH THE LIGHT IMPINGING ON SAID PHOTOCELL, ELECTROMAGNETIC SWITCHING MEANS COMPRISING A SET OF RELATIVELY MOVABLE CONTACTS MOUNTED IN SAID SEALED HOUSING BETWEEN SAID PHOTOCELL AND THE OTHER END OF SAID HOUSING, A SET OF TERMINALS EXTENDING THROUGH SAID HOUSING AND ELECTRICALLY CONNECTED TO RESPECTIVE ONES OF SAID CONTACTS, AND MEANS MOUNTED WITHIN SAID HOUSING RESPONSIVE TO SAID ELECTRICAL CHARACTERISTIC OF SAID PHOTOCELL FOR SELECTIVELY OPERATING SAID SWITCHING MEANS, SAID MEANS RESPONSIVE TO SAID ELECTRICAL CHARACTERISTIC COMPRISING A BIMETALLIC SWITCH ACTUATING MEMBER AND A HEATER RESISTOR FOR SAID BIMETALLIC MEMBER, SAID RESISTOR BEING SERIALLY CONNECTED WITH SAID PHOTOCELL.
Claim 2
Dependent Claim
148 words
SWITCHING APPARATUS, COMPRISING A HERMETICALLY SEALED HOUSING HAVING A WINDOW WALL PORTION, A PHOTOCELL MOUNTED IN ONE END OF SAID HOUSING AND DISPOSED TO INTERCEPT AT LEAST A PORTION OF THE LIGHT ENTERING SAID HOUSING THROUGH SAID WINDOW WALL PORTION, SAID PHOTOCELL HAVING AN ELECTRICAL CHARACTERISTIC WHICH VARIES IN ACCORDANCE WITH THE LIGHT IMPINGING ON SAID PHOTOCELL, ELECTROMAGNETIC SWITCHING MEANS COMPRISING A SET OF RELATIVELY MOVABLE CONTACTS MOUNTED IN SAID SEALED HOUSING BETWEEN SAID PHOTOCELL AND THE OTHER END OF SAID HOUSING, A SET OF TERMINALS EXTENDING THROUGH SAID HOUSING AND ELECTRICALLY CONNECTED TO RESPECTIVE ONES OF SAID CONTACTS, AND MEANS MOUNTED WITHIN SAID HOUSING RESPONSIVE TO SAID ELECTRICAL CHARACTERISTIC OF SAID PHOTOCELL FOR SELECTIVELY OPERATING SAID SWITCHING MEANS, SAID MEANS RESPONSIVE TO SAID ELECTRICAL CHARACTERISTIC COMPRISING A BIMETALLIC SWITCH ACTUATING MEMBER AND A HEATER RESISTOR FOR SAID BIMETALLIC MEMBER, SAID RESISTOR BEING SERIALLY CONNECTED WITH SAID PHOTOCELL.
References Cited (Backward Citations)
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US2631247A
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US2697803A
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US2755392A
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US2753492A
Cited
US2898525A
Cited
US2900520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |