US2434177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing apparatus
Assignee: Richardson Scale Co
•
Filing: 1944-05-10
•
Granted: 1948-01-06
•
Expires: 1964-05-10
Abstract
No abstract record available.
Inventors
- 👤 Philip B Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
G; G01; G01G; G01G13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US764530A
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US1978558A
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US1911235A
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US1983093A
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US2040660A
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US2298967A
Cited
US2332438A
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US2336347A
Cited
US2348372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |