Patent US302810A successfully refreshed from Google Patents.
US2634857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in packaging
Assignee: Individual
•
Filing: 1946-11-13
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Granted: 1953-04-14
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Expires: 1966-11-13
Abstract
No abstract record available.
Inventors
- 👤 Charles L Weckesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:05
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/06; B65B9/08; B65B9/093; B65D; B65D75/00; B65D75/008; B65D75/04; B65D75/20; B65D75/22; B65D75/225; B65D75/52
Claims Analysis
Total Claims: 0
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US2103389A
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US2330361A
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US2420983A
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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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |