US3425158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Culture belt for a hydroponic system
Assignee: LESLIE B KYLE
•
Filing: 1967-01-26
•
Granted: 1969-02-04
•
Expires: 1987-01-26
Abstract
No abstract record available.
Inventors
- 👤 Leslie B Kyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
A; A01; A01G; A01G31/00; A01G31/02; A01G31/04; A01G31/042; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1793626A
Cited
US2358000A
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US2639549A
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US2971290A
Cited
US3284948A
Cited
US3300896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |