US3361356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic watering control system
Assignee: HARMON J HALBROOK
•
Filing: 1965-10-14
•
Granted: 1968-01-02
•
Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Neal H Johnson
- 👤 Harmon J Halbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:36
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2721101A
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US3195816A
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US3113724A
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US3238392A
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US3224676A
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US3297254A
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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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |