Patent US2834456A successfully refreshed from Google Patents.
US2834456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frangible tablet packaging
Assignee: Wyeth Holdings LLC
•
Filing: 1955-07-18
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Granted: 1958-05-13
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Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 Langer Adolph Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:15
CPC Classifications
B; B65; B65D; B65D73/00; B65D73/0035; B65D75/00; B65D75/52; B65D75/58; B65D75/5855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2012535A
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US2049921A
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US2155445A
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US2138241A
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US2199476A
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US2362835A
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US2375088A
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US2420983A
Cited
US2530127A
Cited
US2649392A
Cited
US2717174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |