US3430735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for locking the brake assembly for railroad cars
Assignee: SNILLOC CORP
•
Filing: 1966-12-29
•
Granted: 1969-03-04
•
Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Oliver Davis Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:00
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/08; B60T17/16; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3152516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |