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US2646273A
Expired / Lapsed
US
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Load weight indicator for cranes
Assignee: Individual
•
Filing: 1949-10-21
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Granted: 1953-07-21
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Expires: 1969-10-21
Abstract
No abstract record available.
Inventors
- 👤 Cecil L Wetsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:48
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/14; G01G19/16; B; B66; B66C; B66C13/00; B66C13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1780238A
Cited
GB311714A
Cited
US1872087A
Cited
US1779656A
Cited
US2030529A
Cited
US2324769A
Cited
US2488070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |