Patent US2936940A successfully refreshed from Google Patents.
US2936940A
Expired / Lapsed
US
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Fluid tight packages
Assignee: Individual
•
Filing: 1956-10-26
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Granted: 1960-05-17
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Expires: 1976-10-26
Abstract
No abstract record available.
Inventors
- 👤 Berghgracht Marius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:07
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/04; B65D75/20; B65D75/22; B65D5/00; B65D5/40; B65D75/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |