US2419461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic gauge for measuring ball-bearing inner race grooves
Assignee: Jack & Heintz Prec Ind Inc
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Filing: 1945-09-15
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Granted: 1947-04-22
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Expires: 1965-09-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Neff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:12
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/28; Y; Y10; Y10S; Y10S33/00; Y10S33/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |