Patent US3390794A successfully refreshed from Google Patents.
US3390794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible and retractable boom
Assignee: Deere and Co
•
Filing: 1967-03-09
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Granted: 1968-07-02
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Expires: 1987-03-09
Abstract
No abstract record available.
Inventors
- 👤 Mcmullen Larry Gene
- 👤 Popelier Maurice Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:55
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3140000A
Cited
US3140785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |