US3393728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling arrangement for environmental growth chamber lighting systems
Assignee: Integrated Development and Manufacturing
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Filing: 1966-07-21
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Granted: 1968-07-23
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Expires: 1986-07-21
Abstract
No abstract record available.
Inventors
- 👤 Davis Noel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:26
CPC Classifications
F; F21; F21V; F21V33/00; A; A01; A01G; A01G9/00; A01G9/24; A01G9/246; A01G9/249; F21V19/00; F21V19/0075; F21V19/008; F21V19/009; F21Y; F21Y2103/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25
Claims Analysis
Total Claims: 0
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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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |