Patent US3179290A successfully refreshed from Google Patents.
US3179290A
Expired / Lapsed
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Drip-preventing and pouring means and method for forming same
Assignee: OI Glass Inc
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Filing: 1961-06-05
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Granted: 1965-04-20
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:09
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A METHOD FOR IMPROVING THE POURING AND DRIPPREVENTING CHARACTERISTICS OF THE POURING OUTLET OF A DISPENSING CONTAINER, SAID METHOD COMPRISING THE STEPS OF SUPERIMPOSING OVER THE INNER WALL SURFACE AND UPPER RIM SURFACE OF SAID POURING OUTLET A CONTINUOUS ANNULAR COVERING OF SMOOTHLY SURFACED PLASTIC MATERIAL TO THEREBY FORM A PLASTIC POURING SURFACE THEREOVER, SUBSTANTIALLY ROUGHENING THE POURING SURFACE OF ONLY THAT PORTION OF SAID PLASTIC MATERIAL OVERLYING SAID INNER POURING OUTLET WALL SURFACE TO RENDER SOME SUBSTANTIALLY MORE WETTABLE THAN THE UPPER SURFACE OF THE PORTION OF SAID PLASTIC MATERIAL COVERING THE RIM SURFACE OF SAID POURING OUTLET.
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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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |