Patent US3526302A successfully refreshed from Google Patents.
US3526302A
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US
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Drive train brake
Assignee: Caterpillar Inc
•
Filing: 1969-07-24
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Granted: 1970-09-01
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Expires: 1989-07-24
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Grant
- 👤 Eugene M Poplawski
- 👤 George E Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:32
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/12; B60T1/00; B60T1/02; B60T1/06; B60T1/065; B60T13/00; B60T13/10; B60T13/12; B60T13/22; F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/36; F16D55/40; F16D59/00; F16D59/02; F16D2055/0004; F16D2055/0058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2342750A
Cited
US2584191A
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US2778456A
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US2698676A
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US3132724A
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US3195692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |