US2777185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Form for casting tanks
Assignee: Individual
•
Filing: 1953-05-25
•
Granted: 1957-01-15
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Woodrow W Wehrung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B7/168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US764623A
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US812336A
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US1983758A
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US1957027A
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US2228123A
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US2486038A
Cited
US2503230A
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US2623259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |