US2555461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency shutoff tool for fire sprinklers
Assignee: Individual
•
Filing: 1949-01-17
•
Granted: 1951-06-05
•
Expires: 1969-01-17
Abstract
No abstract record available.
Inventors
- 👤 Henry R Auguste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:25
CPC Classifications
A; A62; A62C; A62C37/00; A62C37/08; A62C37/20; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/5109; Y10T137/5283; Y10T137/598; Y10T137/6089; Y10T137/6092; Y10T137/6161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988857A
Cited
US2324170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |