US2748677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container for developing tanks
Assignee: Individual
•
Filing: 1952-11-05
•
Granted: 1956-06-05
•
Expires: 1972-11-05
Abstract
No abstract record available.
Inventors
- 👤 Berlant Sigmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:22
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750665A
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US934331A
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US906491A
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US1074572A
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US1254300A
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US1810857A
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GB382537A
Cited
US2192755A
Cited
US2327733A
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US2405160A
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GB633995A
Cited
US2542830A
Cited
US2562588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |