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Patent US2489196A successfully refreshed from Google Patents.
US2489196A
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Gauging device for ditchers
Assignee: Individual
•
Filing: 1946-05-02
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Granted: 1949-11-22
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Expires: 1966-05-02
Abstract
No abstract record available.
Inventors
- 👤 Francis M Reising
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:42
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/14; E02F5/145; Y; Y10; Y10S; Y10S37/00; Y10S37/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US316396A
Cited
US768845A
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US834030A
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US1099385A
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US1239474A
Cited
US1661812A
Cited
US1969522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |