Patent US2838044A successfully refreshed from Google Patents.
US2838044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triple container for food
Assignee: Individual
•
Filing: 1956-04-18
•
Granted: 1958-06-10
•
Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Wei Andrew Tohchung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:56
CPC Classifications
A; A47; A47J; A47J39/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US268732A
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US367240A
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US653863A
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US908850A
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US1290771A
Cited
US1423406A
Cited
US1920330A
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US2024294A
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US2242779A
Cited
US2624487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |