US3301444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol metering valve
Assignee: OEL Inc
•
Filing: 1965-08-12
•
Granted: 1967-01-31
•
Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 John M Wittke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:55
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/52; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A ONE-PIECE VALVE ELEMENT FOR USE IN A METERING VALVE ASSEMBLY COMPRISING A PERIPHERAL RIM, AN INTERMEDIATE ANNULAR WEB EXTENDING RADIALLY INWARDLY FROM SAID RIM AND HAVING AN APERTURE THERETHROUGH, A CENTRAL THICKENED BUTTON-LIKE PORTION, AND A RELATIVELY SMALL DIAMETER THIN-WALLED HOLLOW TUBULAR PROJECTION EXTENDING AXIALLY OUTWARDLY FROM SAID BUTTON CENTRALLY THEREOF AND HAVING A CLOSED TERMINAL END, SAID BUTTON-LIKE PORTION HAVING A CENTRAL APERTURE THERETHROUGH COMMUNICATING WITH THE INTERIOR OF SAID TUBULAR PROJECTION.
Claim 2
Dependent Claim
74 words
A ONE-PIECE VALVE ELEMENT FOR USE IN A METERING VALVE ASSEMBLY COMPRISING A PERIPHERAL RIM, AN INTERMEDIATE ANNULAR WEB EXTENDING RADIALLY INWARDLY FROM SAID RIM AND HAVING AN APERTURE THERETHROUGH, A CENTRAL THICKENED BUTTON-LIKE PORTION, AND A RELATIVELY SMALL DIAMETER THIN-WALLED HOLLOW TUBULAR PROJECTION EXTENDING AXIALLY OUTWARDLY FROM SAID BUTTON CENTRALLY THEREOF AND HAVING A CLOSED TERMINAL END, SAID BUTTON-LIKE PORTION HAVING A CENTRAL APERTURE THERETHROUGH COMMUNICATING WITH THE INTERIOR OF SAID TUBULAR PROJECTION.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |