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Patent US2681142A successfully refreshed from Google Patents.
US2681142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed cushioning container
Assignee: Individual
•
Filing: 1950-11-08
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Granted: 1954-06-15
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Expires: 1970-11-08
Abstract
No abstract record available.
Inventors
- 👤 Harold L Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:05
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/02; B65D45/30; B65D81/00; B65D81/02; B65D81/05; B65D81/07; B65D81/075; Y; Y10; Y10S; Y10S220/00; Y10S220/918; Y10S220/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |