US3233146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting system adapted for environment control in plant growth chambers
Assignee: Individual
•
Filing: 1964-03-09
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Granted: 1966-02-01
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Norman H Vacha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:47
CPC Classifications
F; F21; F21V; F21V23/00; A; A01; A01G; A01G7/00; A01G7/04; A01G7/045; A01G9/00; A01G9/24; A01G9/249; Y; Y02; Y02P; Y02P60/00; Y02P60/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A LIGHTING SYSTEM ADAPTED FOR ENVIRONMENT CONTROL IN A PLANT GROWTH CHAMBER, SAID SYSTEM COMPRISING A FIRST ENCLOSURE MEANS DEFINING A FIRST CHAMBER THEREWITHIN, A SECOND ENCLOSURE MEANS DEFINING A SECOND CHAMBER THEREWITHIN, SAID SECOND ENCLOSURE MEANS BEING SEPARATE FROM AND THERMALLY INSULATED FROM SAID FIRST ENCLOSURE MEANS BY AN INSULATING STRUCTURAL WALL, VOLTAGE STEP-UP TRANSFORMER AND BALLAST REACTORS ALL LOCATED WITHIN SAID FIRST CHAMBER AND BEING BOTH PHYSICALLY AND THERMALLY REMOTE FROM SAID SECOND CHAMBER, A SOURCE OF ALTERNATING CURRENT SUPPLY OPERATIVELY CONNECTED WITH SAID STEP-UP TRANSFORMER, SAID SECOND CHAMBER COMPRISING A PLANT GROWTH SPACE, FLUORESCENT LAMPS DISPOSED WITHIN SAID PLANT GROWTH SPACE AND BEING OPERATIVELY CONNECTED WITH SAID STEP-UP TRANSFORMER AND SAID BALLAST REACTORS TO PROVIDE BALLAST CURRENT, SAID FLUORESCENT LAMPS HAVING CATHODES, STEP-DOWN VOLTAGE TRANSFORMER DISPOSED WITHIN SAID SECOND CHAMBER
Claim 2
Dependent Claim
133 words
A LIGHTING SYSTEM ADAPTED FOR ENVIRONMENT CONTROL IN A PLANT GROWTH CHAMBER, SAID SYSTEM COMPRISING A FIRST ENCLOSURE MEANS DEFINING A FIRST CHAMBER THEREWITHIN, A SECOND ENCLOSURE MEANS DEFINING A SECOND CHAMBER THEREWITHIN, SAID SECOND ENCLOSURE MEANS BEING SEPARATE FROM AND THERMALLY INSULATED FROM SAID FIRST ENCLOSURE MEANS BY AN INSULATING STRUCTURAL WALL, VOLTAGE STEP-UP TRANSFORMER AND BALLAST REACTORS ALL LOCATED WITHIN SAID FIRST CHAMBER AND BEING BOTH PHYSICALLY AND THERMALLY REMOTE FROM SAID SECOND CHAMBER, A SOURCE OF ALTERNATING CURRENT SUPPLY OPERATIVELY CONNECTED WITH SAID STEP-UP TRANSFORMER, SAID SECOND CHAMBER COMPRISING A PLANT GROWTH SPACE, FLUORESCENT LAMPS DISPOSED WITHIN SAID PLANT GROWTH SPACE AND BEING OPERATIVELY CONNECTED WITH SAID STEP-UP TRANSFORMER AND SAID BALLAST REACTORS TO PROVIDE BALLAST CURRENT, SAID FLUORESCENT LAMPS HAVING CATHODES, STEP-DOWN VOLTAGE TRANSFORMER DISPOSED WITHIN SAID SECOND CHAMBER
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |