US2563171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling corrosion in fire extinguishers
Assignee: Individual
•
Filing: 1949-10-12
•
Granted: 1951-08-07
•
Expires: 1969-10-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles K Huthsing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:45
CPC Classifications
A; A62; A62C; A62C11/00; A62C11/005; Y; Y10; Y10S; Y10S220/00; Y10S220/917
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1097145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |