Patent US3992943A successfully refreshed from Google Patents.
US2611643A
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Automatic sprinkling device
Assignee: Individual
•
Filing: 1947-09-26
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Granted: 1952-09-23
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Expires: 1967-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ralph V Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/16; A01G25/167; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1866; Y10T137/189
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2327690A
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US2358433A
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US2439680A
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US2432390A
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US2431429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |