US3248022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atomizer pump
Assignee: Valve Corp of America Inc
•
Filing: 1963-06-21
•
Granted: 1966-04-26
•
Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Schulman Leon
- 👤 Steiman Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/0005; B05B11/0037; B05B11/0039; B05B11/0044; B05B11/00442; B05B11/01; B05B11/10; B05B11/1001; B05B11/1042; B05B11/1059; B05B11/106; B05B11/1061; B05B11/1066; B05B11/1067; B05B11/0062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
AN ATOMIZER PUMP CONSTRUCTION COMPRISING, IN COMBINATION: A PUMP CYLINDER ADAPTED TO BE MOUNTED ON A CONTAINER AND HAVING AN INLET TO ENABLE IT TO RECEIVER LIQUID FROM THE CONTAINER, A PISTON ASSEMBLY RECIPROCABLE IN THE CYLINDER BETWEEN FIRST AND SECOND POSITIONS TO EFFECT A PUMPING OF LIQUID, SAID PISTON ASSEMBLY INCLUDING A HOLLOW CYLINDRICAL SLEEVE WITH AN OUTWARDLY FLARED LOWER END AND A RESILIENT MEMBER WITHIN SAID SLEEVE HAVING A DOWNWARDLY AND OUTWARDLY PROJECTING FLEXIBLE SKIRT PORTION, SAID FLARED LOWER END AND SAID FLEXIBLE SKIRT PORTION SLIDABLE ON AND ALONG THE INSIDE WALL OF THE CYLINDER AND ENGAGING THE CYLINDER AT TWO ANNULAR AREAS OF CONTACT WHICH ARE AXIALLY SPACED APART, AND FURTHER HAVING AN ACTUATOR STEM PORTION PASSING OUT OF THE CYLINDER, POSITIVE-ACTING, VENTING VALVE MEANS OPENED AND CLOSED BY
Claim 2
Dependent Claim
132 words
AN ATOMIZER PUMP CONSTRUCTION COMPRISING, IN COMBINATION: A PUMP CYLINDER ADAPTED TO BE MOUNTED ON A CONTAINER AND HAVING AN INLET TO ENABLE IT TO RECEIVER LIQUID FROM THE CONTAINER, A PISTON ASSEMBLY RECIPROCABLE IN THE CYLINDER BETWEEN FIRST AND SECOND POSITIONS TO EFFECT A PUMPING OF LIQUID, SAID PISTON ASSEMBLY INCLUDING A HOLLOW CYLINDRICAL SLEEVE WITH AN OUTWARDLY FLARED LOWER END AND A RESILIENT MEMBER WITHIN SAID SLEEVE HAVING A DOWNWARDLY AND OUTWARDLY PROJECTING FLEXIBLE SKIRT PORTION, SAID FLARED LOWER END AND SAID FLEXIBLE SKIRT PORTION SLIDABLE ON AND ALONG THE INSIDE WALL OF THE CYLINDER AND ENGAGING THE CYLINDER AT TWO ANNULAR AREAS OF CONTACT WHICH ARE AXIALLY SPACED APART, AND FURTHER HAVING AN ACTUATOR STEM PORTION PASSING OUT OF THE CYLINDER, POSITIVE-ACTING, VENTING VALVE MEANS OPENED AND CLOSED BY
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |