US3333224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistance attachment for incandescent light bulbs
Assignee: Individual
•
Filing: 1964-07-20
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Granted: 1967-07-25
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Frank J Rosenblatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:49
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
310 words
AN ATTACHMENT FOR OPERATING A LIGHT BULB AT LESS THAN ITS RATED VOLTAGE COMPRISING A BODY FORMED OF ELECTRICALLY INSULATIVE MATERIAL, SAID BODY BEING GENERALLY DISC-LIKE IN EXTERNAL CONFIGURATION AND HAVING AN OUTER DIAMETER LESS THAN THE MINOR DIAMETER OF THE THREADS OF A STANDARD LIGHT BULB SOCKET, SAID BODY HAVING A LOWER OPENING FORMING A COMPONENT-RECEIVING CAVITY AND AN UPPER OPENING FORMING A CLEARANCE CAVITY FOR THE PROTRUDING INSULATOR OF THE BASE OF A LIGHT BULB, PRESSURE-SENSITIVE ADHESIVE MOUNTING MEANS ON SAID BODY AND ENGAGEABLE WITH THE BASE OF A LIGHT BULB FOR SECURING SAID ATTACHMENT TO SAID LIGHT BULB, A LIGHT BULB BASE-ENGAGING METAL CONTACT SECURED WITHIN SAID COMPONENT-RECEIVING CAVITY AND IN COMMUNICATION WITH SAID CLEARANCE CAVITY FOR CONTACT WITH THE CENTRAL CONTACT OF THE BASE OF A LIGHT BULB, AN ANNULARLY POSITIONED RESISTANCE ELEMENT CONTAINED ABOUT A CENTRAL PORTION OF SAID BASE-ENGAGING CONTACT WITHIN SAID COMPONENT-RECEIVING CAVITY, A FIRST CONDUCTOR ELECTRICALLY CONNECTING SAID BASE-ENGAGING CONTACT AND SAID RESISTANCE ELEMENT, A LIGHT BULB SOCKET-ENGAGING METAL CONTACT SECURED ACROSS SAID LOWER OPENING, A SECOND CONDUCTOR ELECTRICALLY CONNECTING SAID SOCKET-ENGAGING CONTACT AND SAID RESISTANCE ELEMENT, INSULATIVE BONDING MEANS SECURING SAID SOCKET-ENGAGING CONTACT AND SAID BASE-ENGAGING CONTACT INTO A SANDWICH ASSEMBLY AT THEIR CENTRAL PORTIONS, SAID RESISTANCE ELEMENT BEING CONTAINED ANNULARLY ABOUT SAID SECURED CENTRAL PORTIONS, INSULATIVE MEANS POSITIONED BETWEEN SAID SOCKET-ENGAGING CONTACT AND SAID BASE-ENGAGING CONTACT, SAID CLEARANCE CAVITY HAVING SIDE WALLS SHAPED TO PROVIDE CLEARANCE FOR THE PROTRUDING INSULATOR OF THE BASE OF A LIGHT BULB, SAID PRESSURE-SENSITIVE ADHESIVE MOUNTING MEANS BEING LOCATED IN AN ANNULAR LAYER COAXIAL WITH THE CENTRAL AXIS OF SAID ATTACHMENT AND BEING COMPLEMENTARY IN SIZE AND SHAPE TO A SURFACE OF THE BASE OF A LIGHT BULB, SAID ATTACHMENT PROVIDING AN ELECTRICAL INTERCONNECTION THROUGH SAID RESISTANCE ELEMENT BETWEEN THE CENTRAL CONTACT OF A LIGHT BULB SOCKET AND THE CENTRAL CONTACT OF A LIGHT BULB.
Claim 2
Dependent Claim
310 words
AN ATTACHMENT FOR OPERATING A LIGHT BULB AT LESS THAN ITS RATED VOLTAGE COMPRISING A BODY FORMED OF ELECTRICALLY INSULATIVE MATERIAL, SAID BODY BEING GENERALLY DISC-LIKE IN EXTERNAL CONFIGURATION AND HAVING AN OUTER DIAMETER LESS THAN THE MINOR DIAMETER OF THE THREADS OF A STANDARD LIGHT BULB SOCKET, SAID BODY HAVING A LOWER OPENING FORMING A COMPONENT-RECEIVING CAVITY AND AN UPPER OPENING FORMING A CLEARANCE CAVITY FOR THE PROTRUDING INSULATOR OF THE BASE OF A LIGHT BULB, PRESSURE-SENSITIVE ADHESIVE MOUNTING MEANS ON SAID BODY AND ENGAGEABLE WITH THE BASE OF A LIGHT BULB FOR SECURING SAID ATTACHMENT TO SAID LIGHT BULB, A LIGHT BULB BASE-ENGAGING METAL CONTACT SECURED WITHIN SAID COMPONENT-RECEIVING CAVITY AND IN COMMUNICATION WITH SAID CLEARANCE CAVITY FOR CONTACT WITH THE CENTRAL CONTACT OF THE BASE OF A LIGHT BULB, AN ANNULARLY POSITIONED RESISTANCE ELEMENT CONTAINED ABOUT A CENTRAL PORTION OF SAID BASE-ENGAGING CONTACT WITHIN SAID COMPONENT-RECEIVING CAVITY, A FIRST CONDUCTOR ELECTRICALLY CONNECTING SAID BASE-ENGAGING CONTACT AND SAID RESISTANCE ELEMENT, A LIGHT BULB SOCKET-ENGAGING METAL CONTACT SECURED ACROSS SAID LOWER OPENING, A SECOND CONDUCTOR ELECTRICALLY CONNECTING SAID SOCKET-ENGAGING CONTACT AND SAID RESISTANCE ELEMENT, INSULATIVE BONDING MEANS SECURING SAID SOCKET-ENGAGING CONTACT AND SAID BASE-ENGAGING CONTACT INTO A SANDWICH ASSEMBLY AT THEIR CENTRAL PORTIONS, SAID RESISTANCE ELEMENT BEING CONTAINED ANNULARLY ABOUT SAID SECURED CENTRAL PORTIONS, INSULATIVE MEANS POSITIONED BETWEEN SAID SOCKET-ENGAGING CONTACT AND SAID BASE-ENGAGING CONTACT, SAID CLEARANCE CAVITY HAVING SIDE WALLS SHAPED TO PROVIDE CLEARANCE FOR THE PROTRUDING INSULATOR OF THE BASE OF A LIGHT BULB, SAID PRESSURE-SENSITIVE ADHESIVE MOUNTING MEANS BEING LOCATED IN AN ANNULAR LAYER COAXIAL WITH THE CENTRAL AXIS OF SAID ATTACHMENT AND BEING COMPLEMENTARY IN SIZE AND SHAPE TO A SURFACE OF THE BASE OF A LIGHT BULB, SAID ATTACHMENT PROVIDING AN ELECTRICAL INTERCONNECTION THROUGH SAID RESISTANCE ELEMENT BETWEEN THE CENTRAL CONTACT OF A LIGHT BULB SOCKET AND THE CENTRAL CONTACT OF A LIGHT BULB.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |