US2673122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn sprinkler
Assignee: Individual
•
Filing: 1951-04-19
•
Granted: 1954-03-23
•
Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 William C Wehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0432; B05B3/0438; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1677228A
Cited
US1534979A
Cited
US1517664A
Cited
US1862576A
Cited
US2132314A
Cited
US2336425A
Cited
US2546241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |