Patent US3343797A successfully refreshed from Google Patents.
US3343797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprayer
Assignee: Industrias Cervello SA
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Filing: 1965-06-14
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Granted: 1967-09-26
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Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Bach Jose Cervello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:01
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/06; B05B11/068; B05B11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A SPRAYER COMPRISING SUCCESSIVE FIRST, SECOND, THIRD AND FOURTH CHAMBERS, A SHAFT PARTIALLY HOUSED BY AND RECIPROCALLY MOUNTED RELATIVE TO SAID FIRST, SECOND AND THIRD CHAMBERS, A FIRST PISTON IN SAID FIRST CHAMBER CARRIED BY SAID SHAFT, CONDUIT MEANS IN SAID SHAFT, A VALVE IN SAID THIRD CHAMBER, SAID CONDUIT MEANS OPENING INTO SAID FIRST CHAMBER AND ABOVE SAID VALVE IN A FIRST POSITION OF SAID SHAFT, AN ABSORBENT ELEMENT IN SAID SECOND CHAMBER, A SPRAY NOZZLE IN FLUID COMMUNICATION WITH SAID SECOND CHAMBER, SAID CONDUIT MEANS OPENING INTO SAID SECOND CHAMBER IN A SECOND POSITION OF SAID SHAFT, SECOND CONDUIT MEANS PLACING SAID THIRD AND FOURTH CHAMBER IN FLUID CONNUNICATION, SAID VALVE BEING IN AXIALLY OPPOSED RELATIONSHIP TO SAID SHAFT AND SAID SECOND CONDUIT MEANS,
Claim 2
Dependent Claim
126 words
A SPRAYER COMPRISING SUCCESSIVE FIRST, SECOND, THIRD AND FOURTH CHAMBERS, A SHAFT PARTIALLY HOUSED BY AND RECIPROCALLY MOUNTED RELATIVE TO SAID FIRST, SECOND AND THIRD CHAMBERS, A FIRST PISTON IN SAID FIRST CHAMBER CARRIED BY SAID SHAFT, CONDUIT MEANS IN SAID SHAFT, A VALVE IN SAID THIRD CHAMBER, SAID CONDUIT MEANS OPENING INTO SAID FIRST CHAMBER AND ABOVE SAID VALVE IN A FIRST POSITION OF SAID SHAFT, AN ABSORBENT ELEMENT IN SAID SECOND CHAMBER, A SPRAY NOZZLE IN FLUID COMMUNICATION WITH SAID SECOND CHAMBER, SAID CONDUIT MEANS OPENING INTO SAID SECOND CHAMBER IN A SECOND POSITION OF SAID SHAFT, SECOND CONDUIT MEANS PLACING SAID THIRD AND FOURTH CHAMBER IN FLUID CONNUNICATION, SAID VALVE BEING IN AXIALLY OPPOSED RELATIONSHIP TO SAID SHAFT AND SAID SECOND CONDUIT MEANS,
References Cited (Backward Citations)
FR1296172A
Cited
US3162372A
Cited
US3226035A
Cited
US3239151A
Cited
FR1364163A
Cited
US3265312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |