US2440916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision measuring and positioning device
Assignee: Niles Bement Pond Co
•
Filing: 1944-09-08
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Granted: 1948-05-04
•
Expires: 1964-09-08
Abstract
No abstract record available.
Inventors
- 👤 John M Rusnak
- 👤 James W Durkee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:06
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225; G01D5/2258; B; B23; B23Q; B23Q17/00; B23Q17/22; G01D5/2208; G01D5/2216; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/55; Y10T408/554; Y10T74/00; Y10T74/14; Y10T74/1412
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |