US2628575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating bar receiving head for shaft of gate operating mechanism for railway cars
Assignee: Enterprise Railway Equipment Co
•
Filing: 1949-08-24
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Granted: 1953-02-17
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Expires: 1969-08-24
Abstract
No abstract record available.
Inventors
- 👤 George B Dorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:16
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/20; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US166514A
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US1334154A
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FR754013A
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US904819A
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US949083A
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US1049455A
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US1520834A
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DE450273C
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US2020863A
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US2222280A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |