US2963228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer driven sprinkler
Assignee: FMC Corp
•
Filing: 1958-11-28
•
Granted: 1960-12-06
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 James M Hait
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:23
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)
US1297818A
Cited
US2869925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |