US3176887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurized dispenser
Assignee: Individual
•
Filing: 1961-08-14
•
Granted: 1965-04-06
•
Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 Potapenko Gennady
- 👤 John K Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:22
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A PRESSURIZED DISPENSER, COMPRISING: A CONTAINER HAVING A NECK PORTION; A VALVE ASSEMBLY FASTENED TO SAID NECK PORTION, SAID ASSEMBLY INCLUDING A HOUSING MEMBER CONTAINING A PASSAGEWAY ADAPTED TO COMMUNICATE WITH THE INTERIOR OF THE CONTAINER AND PROVIDING AN UPPER TRANSFER CHAMBER AND A LOWER MEASURING CHAMBER; A STEM MEMBER MOUNTED IN SAID PASSAGEWAY FOR AXIAL MOVEMENT RELATIVE THERETO BETWEEN AN OPEN POSITION AND A CLOSED POSITION AND INCLUDING MEANS PROVIDING COMMUNICATION BETWEEN THE EXTERIOR OF THE VERTICALLY SPACED SETS TRANSFER CHAMBER; AND A PLURALITY OF VERTICALLY SPACED SETS OF CUP-LIKE SEALING ELEMENTS AND C-OPERATING WILL SURFACES ON SAID STEM MEMBER AND HOUSING MEMBER IN THE PASSAGEWAY, SAID SETS PROVIDING A SEAL BETWEEN THE INTERIOR OF THE CONTAINER AND THE MEASURING CHAMBER AND PROVIDING COMMUNICATION BETWEEN THE MEASURING CHAMBER AND THE TRANSFER CHAMBER WHEN THE STEM MEMBER IS IN THE CLOSED POSITION, AND PROVIDING A SEAL BETWEEN THE MEASUR-
Claim 2
Dependent Claim
149 words
A PRESSURIZED DISPENSER, COMPRISING: A CONTAINER HAVING A NECK PORTION; A VALVE ASSEMBLY FASTENED TO SAID NECK PORTION, SAID ASSEMBLY INCLUDING A HOUSING MEMBER CONTAINING A PASSAGEWAY ADAPTED TO COMMUNICATE WITH THE INTERIOR OF THE CONTAINER AND PROVIDING AN UPPER TRANSFER CHAMBER AND A LOWER MEASURING CHAMBER; A STEM MEMBER MOUNTED IN SAID PASSAGEWAY FOR AXIAL MOVEMENT RELATIVE THERETO BETWEEN AN OPEN POSITION AND A CLOSED POSITION AND INCLUDING MEANS PROVIDING COMMUNICATION BETWEEN THE EXTERIOR OF THE VERTICALLY SPACED SETS TRANSFER CHAMBER; AND A PLURALITY OF VERTICALLY SPACED SETS OF CUP-LIKE SEALING ELEMENTS AND C-OPERATING WILL SURFACES ON SAID STEM MEMBER AND HOUSING MEMBER IN THE PASSAGEWAY, SAID SETS PROVIDING A SEAL BETWEEN THE INTERIOR OF THE CONTAINER AND THE MEASURING CHAMBER AND PROVIDING COMMUNICATION BETWEEN THE MEASURING CHAMBER AND THE TRANSFER CHAMBER WHEN THE STEM MEMBER IS IN THE CLOSED POSITION, AND PROVIDING A SEAL BETWEEN THE MEASUR-
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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 |