Patent US3203675A successfully refreshed from Google Patents.
US3203675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing gun
Assignee: Individual
•
Filing: 1963-06-19
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Granted: 1965-08-31
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Wallace W Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:38
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/404; B01; B01F; B01F35/00; B01F35/71; B01F35/717; B01F35/7174; B01F35/80; B01F35/88; B01F35/882; B01F35/8822; B29B7/58; B29B7/60; B29B7/603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A MIXING GUN COMPRISING A HOUSING HAVING A MIXING CHAMBER FORMED THEREIN, SAID HOUSING ALSO HAVING TWO SEPARATE VALVE CHAMBERS AND A SEPARATE PASSAGE CONNECTING EACH OF SAID VALVE CHAMBERS TO SAID MIXING CHAMBER. SAID HOUSING ALSO HAVING A SEPARATE SUPPLY PASSAGE CONNECTING EACH OF SAID VALVE CHAMBERS TO A SOURCE OF SUPPLY OF A LIQUID COMPONENT, SAID HOUSING ALSO HAVING TWO METERING CHAMBERS FORMED THEREIN WITH ONE OF SAID METERING CHAMBERS OPENING INTO ONE OF SAID VALVE CHAMBERS AND THE OTHER OF SAID METERING CHAMBERS OPENING INTO THE OTHER OF SAID VALVE CHAMBERS, A RECIPROCATING PLUNGER MOUNTED IN EACH OF SAID METERING CHAMBERS, VALVES MOUNTED IN SAID VALVE CHAMBER MEANS FIR OPERATING SAID VALVES TO OPEN COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID SUPPLY PASSAGES AND TO CLOSE COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID MIXING CHAMBER, AND FOR OPERATING SAID VALVES TO CLOSE COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID SUPPLY PASSAGES AND TO OPEN COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID MIXING CHAM, AND MEANS FOR RECIPROCATING SAID PLUNGERS TO ALTERNATELY FILL AND DISCHARGE SAID METERING CHAMBERS.
Claim 2
Dependent Claim
180 words
A MIXING GUN COMPRISING A HOUSING HAVING A MIXING CHAMBER FORMED THEREIN, SAID HOUSING ALSO HAVING TWO SEPARATE VALVE CHAMBERS AND A SEPARATE PASSAGE CONNECTING EACH OF SAID VALVE CHAMBERS TO SAID MIXING CHAMBER. SAID HOUSING ALSO HAVING A SEPARATE SUPPLY PASSAGE CONNECTING EACH OF SAID VALVE CHAMBERS TO A SOURCE OF SUPPLY OF A LIQUID COMPONENT, SAID HOUSING ALSO HAVING TWO METERING CHAMBERS FORMED THEREIN WITH ONE OF SAID METERING CHAMBERS OPENING INTO ONE OF SAID VALVE CHAMBERS AND THE OTHER OF SAID METERING CHAMBERS OPENING INTO THE OTHER OF SAID VALVE CHAMBERS, A RECIPROCATING PLUNGER MOUNTED IN EACH OF SAID METERING CHAMBERS, VALVES MOUNTED IN SAID VALVE CHAMBER MEANS FIR OPERATING SAID VALVES TO OPEN COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID SUPPLY PASSAGES AND TO CLOSE COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID MIXING CHAMBER, AND FOR OPERATING SAID VALVES TO CLOSE COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID SUPPLY PASSAGES AND TO OPEN COMMUNICATION BETWEEN SAID VALVE CHAMBERS AND SAID MIXING CHAM, AND MEANS FOR RECIPROCATING SAID PLUNGERS TO ALTERNATELY FILL AND DISCHARGE SAID METERING CHAMBERS.
References Cited (Backward Citations)
US3111389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |