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US3373693A
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US
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Assignee: Tractor Supply Co
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Filing: 1965-10-22
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Granted: 1968-03-19
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Gordon D Mckittrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:12
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3441; F04C2/3445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1879136A
Cited
US2642802A
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US2782723A
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US2837031A
Cited
US2992616A
Cited
US2967488A
Cited
FR1177409A
Cited
US3011449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |