US2612042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force measuring device
Assignee: HUNTER SPRING Co
•
Filing: 1947-02-19
•
Granted: 1952-09-30
•
Expires: 1967-02-19
Abstract
No abstract record available.
Inventors
- 👤 Philip C Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:30
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806742A
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US1806741A
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US1001635A
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GB130658A
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US1825336A
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US1855651A
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US1961368A
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US2057576A
Cited
FR828381A
Cited
US2239049A
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US2293572A
Cited
US2281001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |