US3321110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid sprayer
Assignee: Individual
•
Filing: 1965-05-14
•
Granted: 1967-05-23
•
Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 James C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:54
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/08; B05B9/0805; B05B9/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A HIGH PRESSURE AIRLESS LIQUID SPRAYER SYSTEM COMPRISING A HOLLOW GENERALLY CYLINDRICAL TANK HAVING GENERALLY HEMISPHERICAL HOLLOW END PORTIONS AND A SUBSTANTIALLY SMOOTH INNER SURFACE OF LIKE CONFIGURATION; A FREE FLOATING PISTON INSIDE THE TANK, AND HAVING A HOLLOW CYLINDRICAL SKIRT PORTION AND A HEMISPHERICAL END PORTION FACING A FIRST INTERIOR END OF THE TANK AND CLOSELY CONFORMING IN SIZE AND CONFIGURATION THERETO, THE SKIRT PORTION INCLUDING CIRCUMFERENTIALLY SPACED GROOVES, AT LEAST ONE OF SAID GROOVES PROVIDING COMMUNICATION TO THE INTERIOR OF SAID PISTON; MEANS SEATED WITHIN THE REMAINING GROOVES OF THE PISTON INCLUDING A GROOVE NEARER SAID FIRST END OF THE TANK THAN SAID COMMUNICATING GROOVE, FOR ENGAGING THE INNER SURFACE OF THE CYLINDRICAL TANK; MEANS COMPRISING A PRESSURIZING GAS WHICH INCLUDES A LUBRICATING OIL DISPOSED IN THE SECOND INTERIOR END OF THE TANK AND IN THE INTERIOR OF SAID PISTON; A LIQUID MEDIUM TO BE SPRAYED DISPOSED IN THE FIRST INTERIOR END OF THE TANK; AND SPRAY MEANS COUPLED INTO AND COMMUNICATING WITH THE FIRST INTERIOR END OF THE TANK.
Claim 2
Dependent Claim
172 words
A HIGH PRESSURE AIRLESS LIQUID SPRAYER SYSTEM COMPRISING A HOLLOW GENERALLY CYLINDRICAL TANK HAVING GENERALLY HEMISPHERICAL HOLLOW END PORTIONS AND A SUBSTANTIALLY SMOOTH INNER SURFACE OF LIKE CONFIGURATION; A FREE FLOATING PISTON INSIDE THE TANK, AND HAVING A HOLLOW CYLINDRICAL SKIRT PORTION AND A HEMISPHERICAL END PORTION FACING A FIRST INTERIOR END OF THE TANK AND CLOSELY CONFORMING IN SIZE AND CONFIGURATION THERETO, THE SKIRT PORTION INCLUDING CIRCUMFERENTIALLY SPACED GROOVES, AT LEAST ONE OF SAID GROOVES PROVIDING COMMUNICATION TO THE INTERIOR OF SAID PISTON; MEANS SEATED WITHIN THE REMAINING GROOVES OF THE PISTON INCLUDING A GROOVE NEARER SAID FIRST END OF THE TANK THAN SAID COMMUNICATING GROOVE, FOR ENGAGING THE INNER SURFACE OF THE CYLINDRICAL TANK; MEANS COMPRISING A PRESSURIZING GAS WHICH INCLUDES A LUBRICATING OIL DISPOSED IN THE SECOND INTERIOR END OF THE TANK AND IN THE INTERIOR OF SAID PISTON; A LIQUID MEDIUM TO BE SPRAYED DISPOSED IN THE FIRST INTERIOR END OF THE TANK; AND SPRAY MEANS COUPLED INTO AND COMMUNICATING WITH THE FIRST INTERIOR END OF THE TANK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |