US3199712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguisher tanks
Assignee: Stop-Fire Inc
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Filing: 1963-12-13
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Granted: 1965-08-10
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
- 👤 Narklewicz Ignatins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:02
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A CONTAINER FOR STORING PRESSURIZED CONTENTS PARTICULARLY ADAPTED FOR A FIRE EXTINGUISHER, AND COMPRISING AN OUTER SHELL HAVING A CYLINDRICAL WALL CLOSED AT ONE END BY A HEMISPHERICAL TOP, A HEMISPHERICAL BOTTOM MEMBER CLOSELY FITTED WITHIN SAID CYLINDRICAL SHELL WALL AT THE OTHER END THEREOF WITH ITS CONVEX SIDE DIRECTED AWAY FROM SAID TOP, A BOTTOM SUPPORTING MEMBER HAVING A CENTRAL PORTION CONCENTRIC WITH SAID BOTTOJ MEMBER AND CONTIGUOUS WITH SAID BOTTOM MEMBER CONVEX SIDE, SAID BOTTOM SUPPORTING MEMBER HAVING A FLANGE EXTENDING FROM THE PERIPHERY OF SAID CENTRAL PORTION IN A DIRECTION AWAY FROM SAID TOP WITH SAID FLANGE HAVING SUCH A DIAMETER SO AS TO FIT CLOSELY WITHIN SAID CYLINDRICAL SHELL WALL THE BOTTOM EDGE OF SAID SHELL AT SAID OTHER END THEREOF EXTENDING BELOW THE BOTTOM EDGE OF SAID SUPPORTING MEMBER FLANGE AND BEING BENT BACKWARDLY UPON ITSELF AROUND SAID SUPPORTING MEMBER FLANGE BOTTOM EDGE TO FORM AN INNER FLANGE WHICH IS PARALLED TO SAID CYLINDRICAL SHELL WALL.
Claim 2
Dependent Claim
161 words
A CONTAINER FOR STORING PRESSURIZED CONTENTS PARTICULARLY ADAPTED FOR A FIRE EXTINGUISHER, AND COMPRISING AN OUTER SHELL HAVING A CYLINDRICAL WALL CLOSED AT ONE END BY A HEMISPHERICAL TOP, A HEMISPHERICAL BOTTOM MEMBER CLOSELY FITTED WITHIN SAID CYLINDRICAL SHELL WALL AT THE OTHER END THEREOF WITH ITS CONVEX SIDE DIRECTED AWAY FROM SAID TOP, A BOTTOM SUPPORTING MEMBER HAVING A CENTRAL PORTION CONCENTRIC WITH SAID BOTTOJ MEMBER AND CONTIGUOUS WITH SAID BOTTOM MEMBER CONVEX SIDE, SAID BOTTOM SUPPORTING MEMBER HAVING A FLANGE EXTENDING FROM THE PERIPHERY OF SAID CENTRAL PORTION IN A DIRECTION AWAY FROM SAID TOP WITH SAID FLANGE HAVING SUCH A DIAMETER SO AS TO FIT CLOSELY WITHIN SAID CYLINDRICAL SHELL WALL THE BOTTOM EDGE OF SAID SHELL AT SAID OTHER END THEREOF EXTENDING BELOW THE BOTTOM EDGE OF SAID SUPPORTING MEMBER FLANGE AND BEING BENT BACKWARDLY UPON ITSELF AROUND SAID SUPPORTING MEMBER FLANGE BOTTOM EDGE TO FORM AN INNER FLANGE WHICH IS PARALLED TO SAID CYLINDRICAL SHELL WALL.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |