Patent US3481435A successfully refreshed from Google Patents.
US3481435A
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Assignee: Caterpillar Inc
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Filing: 1968-06-19
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Granted: 1969-12-02
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Expires: 1988-06-19
Abstract
No abstract record available.
Inventors
- 👤 Shairyl I Pearce
- 👤 Dale C Thorne
- 👤 James G Starling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:27
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D48/0206; F16H; F16H61/00; F16H61/04; F16H61/06; F16H61/065; F16H61/70; F16H61/705; G; G06; G06M; G06M1/00; G06M1/08; G06M1/083; G06M1/086; F16D2048/0221; F16D2048/0224; F16D2048/0257; F16D2048/0281; F16H2306/00; F16H2306/40; F16H2306/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2990925A
Cited
US3017974A
Cited
US3050165A
Cited
US3181667A
Cited
US3334530A
Cited
US3313383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |