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US2649090A Expired / Lapsed US ⏱️ 0.0 years remaining

Rubber closure for pharmaceutical vials

Assignee: Wyeth Holdings LLC
•
Filing: 1950-09-29
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Granted: 1953-08-18
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Expires: 1970-09-29
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Abstract

No abstract record available.

Inventors

  • 👤 Parsons Carr Harlan
  • 👤 Rumpf Walter John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:54
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/002; B65D39/00; B65D39/0005; B65D39/0023; C; C08; C08L; C08L83/00; C08L83/04; B65D2539/00; B65D2539/001; B65D2539/005; B65D2539/008; C08G; C08G77/00; C08G77/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 50 words
A RUBBER CLOSURE FOR A PHARMACEUTICAL VIAL, CONSISTING ESSENTIALLY OF A PUNCTURABLE RUBBER PLUG HAVING RIBS ON ITS LOWER PORTION, FEET EXTENDING BELOW THE MAIN PORTION OF THE PLUG, AND A COATING OF A MOISTURE-RESISTANT OILY NON-TACKY SILICONE LUBRICANT WHEREBY THE INSERTION OF THE CLOSURE INTO A VIAL IS FACILITATED.
Claim 2
Dependent Claim 50 words
A RUBBER CLOSURE FOR A PHARMACEUTICAL VIAL, CONSISTING ESSENTIALLY OF A PUNCTURABLE RUBBER PLUG HAVING RIBS ON ITS LOWER PORTION, FEET EXTENDING BELOW THE MAIN PORTION OF THE PLUG, AND A COATING OF A MOISTURE-RESISTANT OILY NON-TACKY SILICONE LUBRICANT WHEREBY THE INSERTION OF THE CLOSURE INTO A VIAL IS FACILITATED.

References Cited (Backward Citations)

US726629A Cited
US811876A Cited
US1237761A Cited
US1327519A Cited
US1587167A Cited
FR748966A Cited
FR812769A Cited
US2353674A Cited
US2470772A Cited
US2471224A Cited
US2474704A Cited
US2573637A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-08-17 1957-02-16 1957-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-08-17 1961-02-16 1961-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-08-17 1965-02-16 1965-08-18 $7700.00 Window Closed / Lapsed

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