US3249759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition control galvanometer with photoelectric limit sensing
Assignee: Individual
•
Filing: 1962-10-31
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Granted: 1966-05-03
•
Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Sendro George Tibor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:26
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/2236; G05D23/2239
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
CONDITION RESPONSIVE AUTOMATIC CONTROL APPARATUS COMPRISING: A GALVANOMETER CONNECTIBLE IN A CIRCUIT TO BE RESPONSIVE TO VARIATIONS IN SAID CONDITION; A GALVANOMETER ARM MOVABLE IN RESPONSE TO SAID VARIATIONS, PHOTO SENSITIVE MEANS MOUNTED ADJACENT SAID GALVANOMETER ARM; LIGHT GENERATING MEANS FOR ACTIVATING SAID PHOTO SENSITIVE MEANS MOUNTED IN REGISTRATION WITH AND SPACED FROM THE SAME; MASK MEANS MOUNTED ON SAID GALVANOMETER ARM FOR MOVEMENT THEREWITH INTO AND OUT OF SAID SPACING BETWEEN SAID PHOTO SENSITIVE MEANS AND SAID LIGHT GENERATING MEANS TO RESPECTIVELY COVER AND UNCOVER SAID PHOTO SENSITIVE MEANS; A SERIES OF PERFORATIONS FORMED IN SAID MASK MEANS TO PERMIT LIGHT TO PASS THERETHROUGH AT SUCCESSIVE INTERVALS IN RESPONSE TO MOVEMENT OF SAID MASK MEANS AS AFORESAID; AND SWITCH MEANS RESPONSIVE TO SAID PHOTO SENSITIVE MEANS.
Claim 2
Dependent Claim
127 words
CONDITION RESPONSIVE AUTOMATIC CONTROL APPARATUS COMPRISING: A GALVANOMETER CONNECTIBLE IN A CIRCUIT TO BE RESPONSIVE TO VARIATIONS IN SAID CONDITION; A GALVANOMETER ARM MOVABLE IN RESPONSE TO SAID VARIATIONS, PHOTO SENSITIVE MEANS MOUNTED ADJACENT SAID GALVANOMETER ARM; LIGHT GENERATING MEANS FOR ACTIVATING SAID PHOTO SENSITIVE MEANS MOUNTED IN REGISTRATION WITH AND SPACED FROM THE SAME; MASK MEANS MOUNTED ON SAID GALVANOMETER ARM FOR MOVEMENT THEREWITH INTO AND OUT OF SAID SPACING BETWEEN SAID PHOTO SENSITIVE MEANS AND SAID LIGHT GENERATING MEANS TO RESPECTIVELY COVER AND UNCOVER SAID PHOTO SENSITIVE MEANS; A SERIES OF PERFORATIONS FORMED IN SAID MASK MEANS TO PERMIT LIGHT TO PASS THERETHROUGH AT SUCCESSIVE INTERVALS IN RESPONSE TO MOVEMENT OF SAID MASK MEANS AS AFORESAID; AND SWITCH MEANS RESPONSIVE TO SAID PHOTO SENSITIVE MEANS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |