US2454286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dip tank for thermoplastic material
Assignee: Specialties Development Corp
•
Filing: 1944-10-04
•
Granted: 1948-11-23
•
Expires: 1964-10-04
Abstract
No abstract record available.
Inventors
- 👤 William H Lerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:06
CPC Classifications
B; B05; B05C; B05C3/00; B05C3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US498775A
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US1943450A
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US1191216A
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US1407729A
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GB264079A
Cited
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US2128028A
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US2127180A
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GB480206A
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US2133390A
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US2195670A
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US2220943A
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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) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |