US3195170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid supply system
Assignee: Individual
•
Filing: 1962-11-30
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Granted: 1965-07-20
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Tulane B Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/002; B05C17/02; B05C17/0227; B05C17/023; B05C17/03; B05C17/0333; B05C21/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
A SWITCH RESPONSIVE TO FLUID PRESSURE IN A FLUID CONVEYING SYSTEM, THE SWITCH COMPRISING: (A) A HOUSING; (B) AN INSULATING BACK MEMBER IN THE HOUSING; (C) A FIRST FIXED ELECTRICAL CONTACT SECURED TO THE BACK MEMBER; (D) A SECOND FIXED ELECTRICAL CONTACT SECURED TO THE BACK MEMBER IN SPACED RELATION TO THE FIRST CONTACT; (E) A BRIDGE HAVING A PAIR OF ENDS PIVOTED TO ONE COMTACT AT AN END THEREOF; (F) SPRING MEANS NORMALLY URGING THE BRIDGE TO ENGAGE THE OTHER CONTACT IN CIRCUIT MAKING ENGAGEMENT; AND (G) AN EXPANDABLE GLAND OPERATIVELY ASSOCIATED WITH THE FLUID SYSTEM, INTERPOSED BETWEEN THE BRIDGE AND THE OTHER CONTACT AND EFFECTIVE TO BREAK THE CIRCUIT UPON EXPANSION.
Claim 2
Dependent Claim
113 words
A SWITCH RESPONSIVE TO FLUID PRESSURE IN A FLUID CONVEYING SYSTEM, THE SWITCH COMPRISING: (A) A HOUSING; (B) AN INSULATING BACK MEMBER IN THE HOUSING; (C) A FIRST FIXED ELECTRICAL CONTACT SECURED TO THE BACK MEMBER; (D) A SECOND FIXED ELECTRICAL CONTACT SECURED TO THE BACK MEMBER IN SPACED RELATION TO THE FIRST CONTACT; (E) A BRIDGE HAVING A PAIR OF ENDS PIVOTED TO ONE COMTACT AT AN END THEREOF; (F) SPRING MEANS NORMALLY URGING THE BRIDGE TO ENGAGE THE OTHER CONTACT IN CIRCUIT MAKING ENGAGEMENT; AND (G) AN EXPANDABLE GLAND OPERATIVELY ASSOCIATED WITH THE FLUID SYSTEM, INTERPOSED BETWEEN THE BRIDGE AND THE OTHER CONTACT AND EFFECTIVE TO BREAK THE CIRCUIT UPON EXPANSION.
Claim 3
Dependent Claim
106 words
A LIQUID SUPPLY SYSTEM COMPRISING: (A) A LIQUID CONTAINER WITH A MAXIMUM LIQUID LEVEL; (B) A STANDARD EXTENDING THROUGH THE LIQUID CONTAINER WITH AIR INLET MEANS ABOVE THE MAXIMUM LEVEL AND LIQUID INLET MEANS BELOW SAID LEVEL; (C) A COMPARTMENTED VALVE ON THE STANDARD RECEIVING LIQUID-AIR FLOW FROM THE STANDARD; (D) MEANS FOR ALTERNATELY SUPPLYING COMPRESSION AND FOR CREATING A PARTIAL VACUUM IN SAID VALVE; (E) AN ELONGATED TUBE MEANS EXTENDING FROM THE VALVE; (F) LIQUID DISPENSING APPARATUS OPERATIVELY CONNECTED TO THE TUBE MEANS; AND (G) PRESURE SENSITIVE SWITCH MEANS ASSOCIATED WITH THE TUBE MEANS TO TEMPORARILY DEACTIVATE THE SYSTEM UPON PRESSURE BUILD-UP IN THE TUBE.
Claim 4
Dependent Claim
106 words
A LIQUID SUPPLY SYSTEM COMPRISING: (A) A LIQUID CONTAINER WITH A MAXIMUM LIQUID LEVEL; (B) A STANDARD EXTENDING THROUGH THE LIQUID CONTAINER WITH AIR INLET MEANS ABOVE THE MAXIMUM LEVEL AND LIQUID INLET MEANS BELOW SAID LEVEL; (C) A COMPARTMENTED VALVE ON THE STANDARD RECEIVING LIQUID-AIR FLOW FROM THE STANDARD; (D) MEANS FOR ALTERNATELY SUPPLYING COMPRESSION AND FOR CREATING A PARTIAL VACUUM IN SAID VALVE; (E) AN ELONGATED TUBE MEANS EXTENDING FROM THE VALVE; (F) LIQUID DISPENSING APPARATUS OPERATIVELY CONNECTED TO THE TUBE MEANS; AND (G) PRESURE SENSITIVE SWITCH MEANS ASSOCIATED WITH THE TUBE MEANS TO TEMPORARILY DEACTIVATE THE SYSTEM UPON PRESSURE BUILD-UP IN THE TUBE.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |