Patent US3048976A successfully refreshed from Google Patents.
US3048976A
Expired / Lapsed
US
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Brake control system
Assignee: Individual
•
Filing: 1958-08-25
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Granted: 1962-08-14
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Expires: 1978-08-25
Abstract
No abstract record available.
Inventors
- 👤 John D Grigsby
- 👤 Jr James R Jeromson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:11
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/58; B60T13/74; B60T13/745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1422705A
Cited
US2380575A
Cited
US2374909A
Cited
US2493377A
Cited
US2553826A
Cited
US2888875A
Cited
US2961887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |