US2965304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding boom race track sprinkler
Assignee: HEIL EQUIPMENT Co OF NEW
•
Filing: 1958-03-03
•
Granted: 1960-12-20
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Krause Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:07
CPC Classifications
E; E01; E01H; E01H3/00; E01H3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1124604A
Cited
US1293534A
Cited
US2098523A
Cited
GB587484A
Cited
US2539288A
Cited
US2590400A
Cited
US2565587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |