US1764570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprinkler head
Assignee: Individual
•
Filing: 1928-10-02
•
Granted: 1930-06-17
•
Expires: 1948-10-02
Abstract
No abstract record available.
Inventors
- 👤 Lohman John Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
A; A62; A62C; A62C37/00; A62C37/08; B; B05; B05B; B05B15/00; B05B15/70; B05B15/72; B05B15/74; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0425; B05B3/0426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-06-16 | 1933-12-16 | 1934-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-16 | 1937-12-16 | 1938-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-16 | 1941-12-16 | 1942-06-17 | $7700.00 | Window Closed / Lapsed |