US2981482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water sprinkler
Assignee: Individual
•
Filing: 1955-12-16
•
Granted: 1961-04-25
•
Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Warren Harry Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:11
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066187A
Cited
US2310796A
Cited
US2315844A
Cited
GB634331A
Cited
US2625411A
Cited
US2681250A
Cited
US2801133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |