Patent US3140050A successfully refreshed from Google Patents.
US3140050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cleaning apparatus
Assignee: Individual
•
Filing: 1962-09-11
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Granted: 1964-07-07
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Elmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:18
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B2203/00; B08B2203/02; B08B2203/0205; B08B2203/0241; B08B2203/0258; B08B2203/027; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
PRESSURE CLEANING APPARATUS COMPRISING A CLOSED MAIN TANK FOR HOLDING A CLEANING SOLUTION, A CLOSED BOOSTER TANK, MEANS FOR DIRECTING AIR UNDER PRESSURE TO THE MAIN TANK, LIQUID PIPE MEANS FOR DIRECTING SOLUTION FROM THE MAIN TANK TO THE BOOSTER TANK, VALVE MEANS IN SAID PIPE MEANS, ATOMIZING MEANS IN COMMUNICATION WITH THE BOOSTER TANK AND TO WHICH A DISCHARGE NOZZLE IS CONNECTED, AIR PIPE MEANS EXTENDING FROM THE MAIN TANK TO SAID ATOMIZING MEANS TO SUPPLY ATOMIZING AIR THERETO, AND MEANS CONNECTING SAID AIR PIPE MEANS TO THE BOOSTER TANK TO SUPPLY AIR TO SAID BOOSTER TANK, WHEREBY AIR UNDER PRESSURE SUPPLIED TO THE MAIN TANK IS DIRECTED THROUGH SAID AIR PIPE MEANS TO THE BOOSTER TANK AND THE ATOMIZING MEANS, AND WHEN SAID VALVE MEANS IS OPEN, SAID AIR FORCES SOLUTION FROM THE MAIN TANK TO THE BOOSTER TANK AND WHEN SAID VALVE MEANS IS CLOSED, SAID AIR TRAVELS ALONE TO SAID NOZZLE.
Claim 2
Dependent Claim
155 words
PRESSURE CLEANING APPARATUS COMPRISING A CLOSED MAIN TANK FOR HOLDING A CLEANING SOLUTION, A CLOSED BOOSTER TANK, MEANS FOR DIRECTING AIR UNDER PRESSURE TO THE MAIN TANK, LIQUID PIPE MEANS FOR DIRECTING SOLUTION FROM THE MAIN TANK TO THE BOOSTER TANK, VALVE MEANS IN SAID PIPE MEANS, ATOMIZING MEANS IN COMMUNICATION WITH THE BOOSTER TANK AND TO WHICH A DISCHARGE NOZZLE IS CONNECTED, AIR PIPE MEANS EXTENDING FROM THE MAIN TANK TO SAID ATOMIZING MEANS TO SUPPLY ATOMIZING AIR THERETO, AND MEANS CONNECTING SAID AIR PIPE MEANS TO THE BOOSTER TANK TO SUPPLY AIR TO SAID BOOSTER TANK, WHEREBY AIR UNDER PRESSURE SUPPLIED TO THE MAIN TANK IS DIRECTED THROUGH SAID AIR PIPE MEANS TO THE BOOSTER TANK AND THE ATOMIZING MEANS, AND WHEN SAID VALVE MEANS IS OPEN, SAID AIR FORCES SOLUTION FROM THE MAIN TANK TO THE BOOSTER TANK AND WHEN SAID VALVE MEANS IS CLOSED, SAID AIR TRAVELS ALONE TO SAID NOZZLE.
References Cited (Backward Citations)
US1194358A
Cited
US1448910A
Cited
US1860136A
Cited
FR845753A
Cited
US2424468A
Cited
US2918928A
Cited
US3016200A
Cited
US3037707A
Cited
US3083913A
Cited
US3103312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |