US2637883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladle tipping mechanism
Assignee: Individual
•
Filing: 1950-06-30
•
Granted: 1953-05-12
•
Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 Edmund F Schulze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:30
CPC Classifications
B; B22; B22D; B22D41/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1783128A
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US1008406A
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US1620829A
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US1560241A
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US1601436A
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US1911111A
Cited
US2025069A
Cited
US2088547A
Cited
US2145956A
Cited
US2463811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |