US3009271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control of earth-moving machines
Assignee: Collins Radio Co
•
Filing: 1959-11-18
•
Granted: 1961-11-21
•
Expires: 1979-11-18
Abstract
No abstract record available.
Inventors
- 👤 Kuehne Walter
- 👤 Frank J Ocnaschek
- 👤 David O Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:59
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/841
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2421012A
Cited
US2668288A
Cited
US2513367A
Cited
US2927258A
Cited
US2706289A
Cited
US2825054A
Cited
US2710962A
Cited
US2728065A
Cited
US2894186A
Cited
US2916836A
Cited
US2833941A
Cited
US2875390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |