US2570410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensated measuring apparatus
Assignee: Hagan Corp
•
Filing: 1948-02-05
•
Granted: 1951-10-09
•
Expires: 1968-02-05
Abstract
No abstract record available.
Inventors
- 👤 Otto B Vetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:20
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/50; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307704A
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US1990633A
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US1953406A
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GB435142A
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GB456068A
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US2205651A
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US2417966A
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US2402321A
Cited
US2481496A
Cited
US2526726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |