US3153453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion arrestor for use in fire extinguishers
Assignee: Individual
•
Filing: 1961-09-20
•
Granted: 1964-10-20
•
Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles K Huthsing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:19
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A FIRE EXTINGUISHER INCLUDING A TANK AND PARTS DISPOSED THEREIN FORMED OF METALS LOWER ON THE ELECTROCHEMICAL SCALE THAN MAGNESIUM, THE COMBINATION COMPRISING: AN ELONGATED CYLINDRICAL MEMBER DISPOSED AND SUPPORTED WITHIN THE INTERIOR OF SAID TANK; AND AN ELONGATED SPRING CLIP OF SOLID MAGNESIUM OF GENERALLY USHAPED CROSS SECTION DESIGNED TO BE SPRUNG ONTO SAID CYINDRICAL MEMBER IN COUPLED RELATIONSHIP THERETO.
Claim 2
Dependent Claim
62 words
IN A FIRE EXTINGUISHER INCLUDING A TANK AND PARTS DISPOSED THEREIN FORMED OF METALS LOWER ON THE ELECTROCHEMICAL SCALE THAN MAGNESIUM, THE COMBINATION COMPRISING: AN ELONGATED CYLINDRICAL MEMBER DISPOSED AND SUPPORTED WITHIN THE INTERIOR OF SAID TANK; AND AN ELONGATED SPRING CLIP OF SOLID MAGNESIUM OF GENERALLY USHAPED CROSS SECTION DESIGNED TO BE SPRUNG ONTO SAID CYINDRICAL MEMBER IN COUPLED RELATIONSHIP THERETO.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |