Patent US3176889A successfully refreshed from Google Patents.
US3176889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurized dispenser with integral stem seal
Assignee: Individual
•
Filing: 1963-03-04
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Granted: 1965-04-06
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Potapenko Gennady
- 👤 John K Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:09
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; B65D83/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PRESSURIZED DISPENSER, COMPRISING: A CONTAINER HAVING A NECK PORTION; A VALVE ASSEMBLY FASTENED TO SAID NECK PORTION AND INCLUDING A HOUSING MEMBER; A PASSAGEWAY IN SAID HOUSING ADAPTED TO COMMUNICATE WITH THE INTERIOR OF THE CONTAINER; VERTICALLY SPACED UPPER, INTERMEDIATE, AND LOWER CONTINUOUS FLANGE ELEMENTS FORMED ON EACH SAID HOUSING AND PROJECTING INTO THE PASSAGEWAY, EACH OF SAID FLANGE ELEMENTS INCLUDING AN INNER LIP PORTION, THE UPPER AND INTERMEDIATE FLANGE ELEMENTS DEFINING, IN PART, A TRANSFER CHAMBER, AND THE INTERMEDIATE AND LOWER FLANGE ELEMENTS DEFINING IN PART A MEASURING CHAMBER; A STEM MEMBER MOUNTED IN THE PASSAGEWAY FORR AXIAL MOVEMENT RELATIVE TO THE HOUSING MEMBER BETWEEN AN OPEN POSITION AND A CLOSED POSITION,
Claim 2
Dependent Claim
114 words
A PRESSURIZED DISPENSER, COMPRISING: A CONTAINER HAVING A NECK PORTION; A VALVE ASSEMBLY FASTENED TO SAID NECK PORTION AND INCLUDING A HOUSING MEMBER; A PASSAGEWAY IN SAID HOUSING ADAPTED TO COMMUNICATE WITH THE INTERIOR OF THE CONTAINER; VERTICALLY SPACED UPPER, INTERMEDIATE, AND LOWER CONTINUOUS FLANGE ELEMENTS FORMED ON EACH SAID HOUSING AND PROJECTING INTO THE PASSAGEWAY, EACH OF SAID FLANGE ELEMENTS INCLUDING AN INNER LIP PORTION, THE UPPER AND INTERMEDIATE FLANGE ELEMENTS DEFINING, IN PART, A TRANSFER CHAMBER, AND THE INTERMEDIATE AND LOWER FLANGE ELEMENTS DEFINING IN PART A MEASURING CHAMBER; A STEM MEMBER MOUNTED IN THE PASSAGEWAY FORR AXIAL MOVEMENT RELATIVE TO THE HOUSING MEMBER BETWEEN AN OPEN POSITION AND A CLOSED POSITION,
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |