US2415257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring device
Assignee: Individual
•
Filing: 1944-05-30
•
Granted: 1947-02-04
•
Expires: 1964-05-30
Abstract
No abstract record available.
Inventors
- 👤 Eldred B Mcgreal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:37
CPC Classifications
B; B67; B67D; B67D3/00; B67D3/0051; B67D3/0041; B67D3/0045; B67D7/00; B67D7/06; B67D7/08; B67D7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US420320A
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US451129A
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US849564A
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US975958A
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US1256298A
Cited
US1857627A
Cited
DE536615C
Cited
US2044945A
Cited
US2141871A
Cited
US2168050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |