US3229911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray gun for applying a two-component mixture
Assignee: Shell USA Inc
•
Filing: 1963-09-05
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Granted: 1966-01-18
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Expires: 1983-09-05
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Carlson
- 👤 Wayne E Derrick
- 👤 Jan H Deahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:55
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/02; B05B7/12; B05B7/1209; B05B15/00; B05B15/50; B05B15/55; B29; B29B; B29B7/00; B29B7/74; B29B7/7438; B29B7/7442; B05B7/24; B05B7/2489; B05B7/2497; Y; Y10; Y10S; Y10S366/00; Y10S366/605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN INTERNAL-MIX SPRAY GUN FOR UNIFORMLY MIXING AND APPLYING A RESIN AND CURING AGENT TO PRODUCE A CELLULAR FOAM STRUCTURE, SAID SPRAY GUN COMPRISING: A HOUSING HAVING A MIXING CHAMBER FORMED IN THE FORWARD PORTION THEREOF, A PAIR OF MESHED SPURRED GEARS DISPOSED IN SAID MIXING CHAMBER, THE WALL OF SAID MIXING CHAMBER CONFORMING SUBSTANTIALLY TO THE OUTLINE OF SAID MESHED GEARS; AN AIR MOTOR, SAID MOTOR BEING DISPOSED IN THE REAR PORTION OF SAID HOUSING AND HAVING A SHAFT MEANS EXTENDING INTO SAID MIXING CHAMBER, SAID SHAFT MEANS BEING COUPLED ONE OF SAID SPUR GEARS IN A DRIVING ARRANGEMENT; A SEAL MEANS, SAID SEAL MEANS SURROUNDING SAID SHAFT MEANS AND ISOLATING SAID REAR PORTION OF THE HOUSING FROM THE FORWARD PORTION;
Claim 2
Dependent Claim
122 words
AN INTERNAL-MIX SPRAY GUN FOR UNIFORMLY MIXING AND APPLYING A RESIN AND CURING AGENT TO PRODUCE A CELLULAR FOAM STRUCTURE, SAID SPRAY GUN COMPRISING: A HOUSING HAVING A MIXING CHAMBER FORMED IN THE FORWARD PORTION THEREOF, A PAIR OF MESHED SPURRED GEARS DISPOSED IN SAID MIXING CHAMBER, THE WALL OF SAID MIXING CHAMBER CONFORMING SUBSTANTIALLY TO THE OUTLINE OF SAID MESHED GEARS; AN AIR MOTOR, SAID MOTOR BEING DISPOSED IN THE REAR PORTION OF SAID HOUSING AND HAVING A SHAFT MEANS EXTENDING INTO SAID MIXING CHAMBER, SAID SHAFT MEANS BEING COUPLED ONE OF SAID SPUR GEARS IN A DRIVING ARRANGEMENT; A SEAL MEANS, SAID SEAL MEANS SURROUNDING SAID SHAFT MEANS AND ISOLATING SAID REAR PORTION OF THE HOUSING FROM THE FORWARD PORTION;
References Cited (Backward Citations)
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |