US3339658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controls for earthmoving scrapers connected in tandem
Assignee: Caterpillar Inc
•
Filing: 1964-12-02
•
Granted: 1967-09-05
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:15
CPC Classifications
F; F02; F02D; F02D25/00; F02D25/02; B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/36; B62; B62D; B62D12/00; B62D12/02; B62D49/00; B62D49/06; B62D49/0621; B62D49/0642; E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/6454; E02F3/65; E02F3/651; E02F9/00; E02F9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2704585A
Cited
US3127193A
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US1804257A
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US1804025A
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US2485759A
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US2711228A
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US3027962A
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US3255837A
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US3245488A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |