Patent US2617314A successfully refreshed from Google Patents.
US2617314A
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US
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Trenching machine transmission
Assignee: TRACTOR SALES CORP
•
Filing: 1949-05-16
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Granted: 1952-11-11
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Expires: 1969-05-16
Abstract
No abstract record available.
Inventors
- 👤 Woodrow W Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:47
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/08; E02F3/082; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1916247A
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US2168033A
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US2343733A
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US2397587A
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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) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |