Patent US3302936A successfully refreshed from Google Patents.
Patent US3145930A successfully refreshed from Google Patents.
US3145930A
Expired / Lapsed
US
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Electrostatic paint spraying apparatus for changing liquids
Assignee: GEA Group AG
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Filing: 1961-01-05
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Granted: 1964-08-25
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Expires: 1981-01-05
Abstract
No abstract record available.
Inventors
- 👤 Herklotz Helmut
- 👤 Leichtle Walter
- 👤 Otto Louis
- 👤 Platz Walter
- 👤 Wiegelmann Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:26
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/16; B05B12/00; B05B12/14; B05B12/149; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/6851; Y10T137/8593; Y10T137/86493; Y10T137/86501
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN AN ELECTROSTATIC PAINT SPRAYING APPARATUS, MEANS FOR CHANGING FROM ONE SPRAY LIQUID TO ANOTHER COMPRISING A BRACKET, A LIQUID SELECTOR HEAD AND A LIQUID PUMP MOUNTED UPON SAID BRACKET, A SPRAY NOZZLE ADAPTED TO BE ELECTRICALLY ENERGIZED CONNECTED THROUGH SAID PUMP TO SAID SELECTOR HEAD, INSULATORS FOR HOLDING SAID BRACKET, A HIGH SPEED MOTOR CONNECTED BY AN INSULATED SHAFT TO SAID LIQUID PUMP FOR DRIVING SAID PUMP TO PUMP RINSING LIQUID TO SAID SELECTOR HEAD, AN OVERRUNNING CLUTCH JOINED TO SAID HIGH SPEED MOTOR, A SLOW VARIABLE SPEED MOTOR CONNECTED THROUGH SAID CLUTCH TO SAID HIGH SPEED MOTOR FOR DRIVING SAID LIQUID PUMP WHILE SPRAYING PAINT, AND A SELECTOR HEAD INSULTED DRIVE SHAFT JOINED TO SAID SELECTOR HEAD.
Claim 2
Dependent Claim
119 words
IN AN ELECTROSTATIC PAINT SPRAYING APPARATUS, MEANS FOR CHANGING FROM ONE SPRAY LIQUID TO ANOTHER COMPRISING A BRACKET, A LIQUID SELECTOR HEAD AND A LIQUID PUMP MOUNTED UPON SAID BRACKET, A SPRAY NOZZLE ADAPTED TO BE ELECTRICALLY ENERGIZED CONNECTED THROUGH SAID PUMP TO SAID SELECTOR HEAD, INSULATORS FOR HOLDING SAID BRACKET, A HIGH SPEED MOTOR CONNECTED BY AN INSULATED SHAFT TO SAID LIQUID PUMP FOR DRIVING SAID PUMP TO PUMP RINSING LIQUID TO SAID SELECTOR HEAD, AN OVERRUNNING CLUTCH JOINED TO SAID HIGH SPEED MOTOR, A SLOW VARIABLE SPEED MOTOR CONNECTED THROUGH SAID CLUTCH TO SAID HIGH SPEED MOTOR FOR DRIVING SAID LIQUID PUMP WHILE SPRAYING PAINT, AND A SELECTOR HEAD INSULTED DRIVE SHAFT JOINED TO SAID SELECTOR HEAD.
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |