US2567706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture-destructible container
Assignee: HEFCO LAB
•
Filing: 1946-01-09
•
Granted: 1951-09-11
•
Expires: 1966-01-09
Abstract
No abstract record available.
Inventors
- 👤 John A Hannum
- 👤 Joseph N Epel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:47
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; Y; Y10; Y10S; Y10S428/00; Y10S428/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US837977A
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US1862565A
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US1938501A
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US1965199A
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US1998637A
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US1993620A
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US2176166A
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US2333023A
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US2352865A
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US2354824A
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US2402605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |