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Patent US3436099A successfully refreshed from Google Patents.
US3436099A
Expired / Lapsed
US
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Locking apparatus for side shiftable excavator
Assignee: Case LLC
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Filing: 1967-11-07
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Granted: 1969-04-01
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Expires: 1987-11-07
Abstract
No abstract record available.
Inventors
- 👤 Elton B Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:38
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/382; E02F3/386
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770101A
Cited
US1743005A
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US2138263A
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US2449335A
Cited
FR1169734A
Cited
CH355915A
Cited
GB972208A
Cited
GB975029A
Cited
GB984383A
Cited
US3304100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |