US3215850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature shock-resistant photocell
Assignee: Individual
•
Filing: 1961-07-06
•
Granted: 1965-11-02
•
Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 Robert M Goodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:29
CPC Classifications
H; H10; H10F; H10F30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ELECTRICAL DEVICE COMPRISING: AT LEAST ONE SUBSTANTIALLY FLAT PLASTIC MEMBER TRANSMISSIVE OF SELECTED RADIATION, SAID MEMBER INCORPORATING A SOURCE OF SAID RADIATION, AT LEAST ONE PHOTOSENSITIVE MEMBER HAVING SUBSTANTIALLY THE SAME GENERAL CONFIGURATION AS SAID PLASTIC MEMBER AND BEING POSITIONED IN INTIMATE CONTACT THEREWITH, SAID PHOTOSENSITIVE MEMBER BEING RESPONSIVE TO SAID RADIATION, A HOUSING ENCLOSING SAID MEMBERS WHICH IS MADE OF A MATERIAL THAT IS SUBSTANTIALLY NON-TRANSMISSIVE OF SAID SELECTED RADIATION, AND MEANS FOR APPLYING ELECTRICAL POTENTIALS TO SAID MEMBERS.
Claim 2
Dependent Claim
81 words
AN ELECTRICAL DEVICE COMPRISING: AT LEAST ONE SUBSTANTIALLY FLAT PLASTIC MEMBER TRANSMISSIVE OF SELECTED RADIATION, SAID MEMBER INCORPORATING A SOURCE OF SAID RADIATION, AT LEAST ONE PHOTOSENSITIVE MEMBER HAVING SUBSTANTIALLY THE SAME GENERAL CONFIGURATION AS SAID PLASTIC MEMBER AND BEING POSITIONED IN INTIMATE CONTACT THEREWITH, SAID PHOTOSENSITIVE MEMBER BEING RESPONSIVE TO SAID RADIATION, A HOUSING ENCLOSING SAID MEMBERS WHICH IS MADE OF A MATERIAL THAT IS SUBSTANTIALLY NON-TRANSMISSIVE OF SAID SELECTED RADIATION, AND MEANS FOR APPLYING ELECTRICAL POTENTIALS TO SAID MEMBERS.
References Cited (Backward Citations)
GB793357A
Cited
US1334850A
Cited
US2222788A
Cited
US2904695A
Cited
US2875308A
Cited
US2838683A
Cited
US2839646A
Cited
US2967945A
Cited
US2997596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |