US2649090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber closure for pharmaceutical vials
Assignee: Wyeth Holdings LLC
•
Filing: 1950-09-29
•
Granted: 1953-08-18
•
Expires: 1970-09-29
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.
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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) | 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 |