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US2569432A
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US
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Lawn sprinkler system
Assignee: Individual
•
Filing: 1947-05-06
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Granted: 1951-09-25
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Expires: 1967-05-06
Abstract
No abstract record available.
Inventors
- 👤 James A Halford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:05
CPC Classifications
A; A01; A01G; A01G25/00; Y; Y10; Y10S; Y10S239/00; Y10S239/15; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8175; Y10T137/8208; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421
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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |