US2870574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroponic unit with compressible reservoir
Assignee: Individual
•
Filing: 1956-04-05
•
Granted: 1959-01-27
•
Expires: 1976-04-05
Abstract
No abstract record available.
Inventors
- 👤 James V Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:56
CPC Classifications
A; A01; A01G; A01G31/00; A01G31/02; A01G27/00; A01G27/02; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE93331C
Cited
DE4398C
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US103814A
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US327673A
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US340129A
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US2188875A
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US2198150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |