US2853342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse operated sprinkler
Assignee: Scovill Inc
•
Filing: 1956-05-15
•
Granted: 1958-09-23
•
Expires: 1976-05-15
Abstract
No abstract record available.
Inventors
- 👤 Henry J Kachergis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:45
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)
US2733033A
Cited
US1780332A
Cited
US2090406A
Cited
US2170744A
Cited
US2310796A
Cited
US2769666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |