US3104720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-fighting system and apparatus
Assignee: —
•
Filing: —
•
Granted: 1963-09-24
•
Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:54
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN COMBINATION, A FIRE-FIGHTING VEHICLE, AN EXTENDIBLE BOOM ON SAID VEHICLE TO BE RAISED AND LOWERED, A PLATFORM ON THE END OF SAID BOOM FOR CARRYING AN OPERATOR, A ROTATABLE POWER TAKE-OFF ON SAID PLATFORM, AND A ROTATABLE PENETRATING TOOL FOR BEING DRIVINGLY CONNECTED TO SAID POWER TAKE-OFF, SAID PENETRATING TOOL COMPRISING AN ELONGATED MEMBER HAVING AN ENTRANT END FORMED AS A TWIST DRILL, AN INTERMEDIATE SHANK PORTION HAVING EXTERNAL SCREW THREADS FORMED THEREON FOR ENGAGING THE EDGES OF A HOLE DRILLED BY SAID ENTRANT END, AND A DRIVING END FORMING A COUPLING FOR CONNECTION TO SAID POWER TAKE-OFF, SAID PENETRATING TOOL HAVING CONDUIT MEANS CONNECTED THERETO AND FORMING A PASSAGE EXTENDING THROUGH THE INTERIOR OF SAID PENETRATING TOOL FOR CONDUCTING COMBUSTION-RETARDING GAS FROM A SOURCE AT INCREASED PRESSURE TO THE INTERIOR OF A STRUCTURE PENETRATED BY SAID TOOL.
Claim 2
Dependent Claim
139 words
IN COMBINATION, A FIRE-FIGHTING VEHICLE, AN EXTENDIBLE BOOM ON SAID VEHICLE TO BE RAISED AND LOWERED, A PLATFORM ON THE END OF SAID BOOM FOR CARRYING AN OPERATOR, A ROTATABLE POWER TAKE-OFF ON SAID PLATFORM, AND A ROTATABLE PENETRATING TOOL FOR BEING DRIVINGLY CONNECTED TO SAID POWER TAKE-OFF, SAID PENETRATING TOOL COMPRISING AN ELONGATED MEMBER HAVING AN ENTRANT END FORMED AS A TWIST DRILL, AN INTERMEDIATE SHANK PORTION HAVING EXTERNAL SCREW THREADS FORMED THEREON FOR ENGAGING THE EDGES OF A HOLE DRILLED BY SAID ENTRANT END, AND A DRIVING END FORMING A COUPLING FOR CONNECTION TO SAID POWER TAKE-OFF, SAID PENETRATING TOOL HAVING CONDUIT MEANS CONNECTED THERETO AND FORMING A PASSAGE EXTENDING THROUGH THE INTERIOR OF SAID PENETRATING TOOL FOR CONDUCTING COMBUSTION-RETARDING GAS FROM A SOURCE AT INCREASED PRESSURE TO THE INTERIOR OF A STRUCTURE PENETRATED BY SAID TOOL.
References Cited (Backward Citations)
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Cited
US2047714A
Cited
US2260515A
Cited
US2586797A
Cited
US2626812A
Cited
US2756829A
Cited
US2813753A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |