US2098885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust port protector for air brakes
Assignee: New York Air Brake LLC
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Filing: 1935-11-13
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Granted: 1937-11-09
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Expires: 1955-11-13
Abstract
No abstract record available.
Inventors
- 👤 Lewis A Safford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
B; B60; B60T; B60T17/00; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/145; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784; Y10T137/7879; Y10T137/7888; Y10T137/7889; Y10T137/789; Y10T137/8593; Y10T137/87917; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-11-08 | 1941-05-10 | 1941-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-08 | 1945-05-10 | 1945-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-08 | 1949-05-10 | 1949-11-09 | $7700.00 | Window Closed / Lapsed |