US3520136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake system and the like
Assignee: Individual
•
Filing: 1967-03-30
•
Granted: 1970-07-14
•
Expires: 1987-03-30
Abstract
No abstract record available.
Inventors
- 👤 Rune Ingvar Stiward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:04
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/26; B60T11/28; B60T11/32; B60T11/323; B60T17/00; B60T17/18; B60T17/22; B60T17/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735255A
Cited
US1985812A
Cited
GB491149A
Cited
US2258257A
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US2255676A
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US2258019A
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US2295539A
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US2416091A
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US2502050A
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US2674852A
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US2524544A
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US2564164A
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US2534381A
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US2499563A
Cited
US2661847A
Cited
US2767968A
Cited
US2866866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |