US2620231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn sprinkler
Assignee: Individual
•
Filing: 1950-03-10
•
Granted: 1952-12-02
•
Expires: 1970-03-10
Abstract
No abstract record available.
Inventors
- 👤 Douglas H King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:31
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/14; B05B3/16; B05B15/00; B05B15/60; B05B15/62; B05B15/625
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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |