Patent US2874808A successfully refreshed from Google Patents.
US2874808A
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US
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Hydraulic braking apparatus
Assignee: CABOT SHOPS Inc
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Filing: 1953-05-14
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Granted: 1959-02-24
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Expires: 1973-05-14
Abstract
No abstract record available.
Inventors
- 👤 Merl G Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:50
CPC Classifications
F; F16; F16D; F16D49/00; F16D49/08; F16D49/12; B; B66; B66D; B66D5/00; B66D5/02; B66D5/24; B66D5/26; B66D2700/00; B66D2700/03; B66D2700/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190214001A
Cited
US1673211A
Cited
US1850912A
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US1956433A
Cited
US2187181A
Cited
US2237095A
Cited
FR51113E
Cited
FR63362E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |