Patent US856453A successfully refreshed from Google Patents.
Patent US1058043A successfully refreshed from Google Patents.
Patent US2129096A successfully refreshed from Google Patents.
US1259902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disappearing sprinkler.
Assignee: SPRAY ENGINEERING Co
•
Filing: 1917-05-12
•
Granted: 1918-03-19
•
Expires: 1937-05-12
Abstract
No abstract record available.
Inventors
- 👤 Lee H Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:48
CPC Classifications
B; B05; B05B; B05B15/00; B05B15/70; B05B15/72; B05B15/74; B05B15/14; B05B15/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1921-03-18 | 1921-09-17 | 1922-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-03-18 | 1925-09-17 | 1926-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-03-18 | 1929-09-17 | 1930-03-19 | $7700.00 | Window Closed / Lapsed |