Patent US3184091A successfully refreshed from Google Patents.
US3184091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid container
Assignee: POMONA POST OFFICE
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Filing: 1962-07-11
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Granted: 1965-05-18
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 August J Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:19
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/08; B65D39/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A LIQUID CONTAINER OF RIGID MATERIAL COMPRISING IN COMBINATION (A) A PORTION OF AN END THEREOF HAVING A RIGID, INTERNALLY PROJECTING BOSS WITH A CYLINDRICAL HOLLOW INTERNALLY THREADING, A SOLID WALL CLOSING THE INTERNAL END, THE BOSS BEING PROVIDED WITH OPENINGS SPACED INTERMITTENTLY IN ITS CYLINDRICAL SIDE WALL, THE EXTERNAL END OF THE BOSS BEING AT LEAST FLUSH WITH THE CONTAINER END, AND (B) A HOLLOW, RIGID, PERIPHERALLY IMPERFORATE, OPEN ENDED, EXTERNALLY THREADED PLUG ENGAGING THE INNER THREADS OF THE BOSS AND WHEN SCREWED IN FORMING A SEAL AGAINST THE CLOSED END OF THE BOSS AND THE OUTER END OF THE PLUG WHEN SCREWED IN BEING AT LEAST FLUSH WITH THE OUTER END OF THE BOSS, WHEREBY BY UNSCREWING THE PLUG THE PERIPHERAL OPENINGS IN THE BOSS ARE GRADUALLY EXPOSED.
Claim 2
Dependent Claim
130 words
A LIQUID CONTAINER OF RIGID MATERIAL COMPRISING IN COMBINATION (A) A PORTION OF AN END THEREOF HAVING A RIGID, INTERNALLY PROJECTING BOSS WITH A CYLINDRICAL HOLLOW INTERNALLY THREADING, A SOLID WALL CLOSING THE INTERNAL END, THE BOSS BEING PROVIDED WITH OPENINGS SPACED INTERMITTENTLY IN ITS CYLINDRICAL SIDE WALL, THE EXTERNAL END OF THE BOSS BEING AT LEAST FLUSH WITH THE CONTAINER END, AND (B) A HOLLOW, RIGID, PERIPHERALLY IMPERFORATE, OPEN ENDED, EXTERNALLY THREADED PLUG ENGAGING THE INNER THREADS OF THE BOSS AND WHEN SCREWED IN FORMING A SEAL AGAINST THE CLOSED END OF THE BOSS AND THE OUTER END OF THE PLUG WHEN SCREWED IN BEING AT LEAST FLUSH WITH THE OUTER END OF THE BOSS, WHEREBY BY UNSCREWING THE PLUG THE PERIPHERAL OPENINGS IN THE BOSS ARE GRADUALLY EXPOSED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |