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US3184091A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid container

Assignee: POMONA POST OFFICE
•
Filing: 1962-07-11
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Granted: 1965-05-18
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Expires: 1982-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 August J Hoffman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:29
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)

US1525517A Cited
US2656067A Cited
US2824570A Cited
US2767508A Cited
US2925989A Cited

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

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