US3448879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural vehicles
Assignee: Texas Industries Inc
•
Filing: 1965-07-26
•
Granted: 1969-06-10
•
Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Cornelis Van Der Lely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:11
CPC Classifications
A; A01; A01D; A01D90/00; A01C; A01C3/00; A01C3/04; A01C3/06; A01D90/02; A01D90/08; B; B60; B60P; B60P1/00; B60P1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA530703A
Cited
US1289169A
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US2525870A
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US2586324A
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US2597220A
Cited
US2675116A
Cited
US2634852A
Cited
US2726750A
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US2867340A
Cited
US3120887A
Cited
US3251485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |