US3273012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic headlight control system
Assignee: DIM O MATIC Inc
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Filing: 1963-11-13
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Granted: 1966-09-13
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Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 Rosenblum Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:10
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/0017; B60Q1/0023; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; H; H05; H05B; H05B39/00; H05B39/04; H05B39/06; B60Q2300/00; B60Q2300/40; B60Q2300/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SEALED-BEAM AUTOMOBILE HEADLIGHT LAMP CONTROL FOR CONTROLLING THE LIGHT OUTPUT OF SAID HEADLIGHT COMPRISING. (A) A PARABOLIC SHAPED CASING, (B) A SOURCE OF LIGHT CARRIED WITHIN AND ADJACENT THE REAR OF SAID CASING, (D) A CELL-LIKE LIGHT SENSITIVE CURRENT CARRYING RESISTIVE THE FRONTAL PART OF CASING, (D) A CELL-LIKE LIGHT SENSITIVE CURRENT CARRYING RESISTIVE ELEMENT STRUCTURE CARRIED BY THE GLASS MEMBER AND DISPOSED TO CHANGE ITS RESISTIVITY AND CORRESPONDING CURRENT IN RESPONSE TO LIGHT INTENSITY VARIATIONS EXTERNAL TO THE SAID CASING, (E) AMPLIFYING MEANS CARRIED BY THE SAID CASING AND EXTERNAL THERETO FOR RECEIVING THE SAID CURRENT CHANGES RESPONSIVE TO RESISTIVE VARIATIONS OF THE SAID CELL-LIKE STRUCTURE, (F) AND MEANS FOR RECEIVING SAID AMPLIFIED CURRENT CHANGES AND CONTROLLING THE SEAL-BEAM LIGHT OUTPUT.
Claim 2
Dependent Claim
123 words
A SEALED-BEAM AUTOMOBILE HEADLIGHT LAMP CONTROL FOR CONTROLLING THE LIGHT OUTPUT OF SAID HEADLIGHT COMPRISING. (A) A PARABOLIC SHAPED CASING, (B) A SOURCE OF LIGHT CARRIED WITHIN AND ADJACENT THE REAR OF SAID CASING, (D) A CELL-LIKE LIGHT SENSITIVE CURRENT CARRYING RESISTIVE THE FRONTAL PART OF CASING, (D) A CELL-LIKE LIGHT SENSITIVE CURRENT CARRYING RESISTIVE ELEMENT STRUCTURE CARRIED BY THE GLASS MEMBER AND DISPOSED TO CHANGE ITS RESISTIVITY AND CORRESPONDING CURRENT IN RESPONSE TO LIGHT INTENSITY VARIATIONS EXTERNAL TO THE SAID CASING, (E) AMPLIFYING MEANS CARRIED BY THE SAID CASING AND EXTERNAL THERETO FOR RECEIVING THE SAID CURRENT CHANGES RESPONSIVE TO RESISTIVE VARIATIONS OF THE SAID CELL-LIKE STRUCTURE, (F) AND MEANS FOR RECEIVING SAID AMPLIFIED CURRENT CHANGES AND CONTROLLING THE SEAL-BEAM LIGHT OUTPUT.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |