Patent US1887583A successfully refreshed from Google Patents.
Patent US2256516A successfully refreshed from Google Patents.
US2256516A
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Bleeder fitting for brake cylinders
Assignee: Individual
•
Filing: 1940-06-11
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Granted: 1941-09-23
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Expires: 1960-06-11
Abstract
No abstract record available.
Inventors
- 👤 Carlin Charles Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:29
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/30; F; F16; F16D; F16D2125/00; F16D2125/02; F16D2125/16; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927
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) | 1944-09-22 | 1945-03-24 | 1945-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-22 | 1949-03-24 | 1949-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-22 | 1953-03-24 | 1953-09-23 | $7700.00 | Window Closed / Lapsed |