US2618072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel gauge
Assignee: Individual
•
Filing: 1947-11-28
•
Granted: 1952-11-18
•
Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Krumm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:08
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/24; G01B5/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US295093A
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GB191002946A
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US1239192A
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US1281715A
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US1898074A
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US2048407A
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US2003188A
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US2192900A
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US2401715A
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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) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |