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US2437485A
Expired / Lapsed
US
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Box clamp
Assignee: Individual
•
Filing: 1945-01-30
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Granted: 1948-03-09
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Expires: 1965-01-30
Abstract
No abstract record available.
Inventors
- 👤 Sonnenschein Louis Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:51
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/422; Y; Y10; Y10S; Y10S294/00; Y10S294/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US661033A
Cited
US755044A
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US1035728A
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US1036863A
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US1825179A
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US1895649A
Cited
US2148911A
Cited
US2367889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |