US3456686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-compartment reservoir
Assignee: Bendix Westinghouse Automotive Air Brake Co
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Filing: 1967-12-01
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Granted: 1969-07-22
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Expires: 1987-12-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Kemble
- 👤 Camden A Rigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:56
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/8593; Y10T137/86187; Y10T137/86228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3223118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |