Patent US2295419A successfully refreshed from Google Patents.
US2295419A
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Automatic crossing gate
Assignee: WESTERN RAILROAD SUPPLY Co
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Filing: 1939-03-10
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Granted: 1942-09-08
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Expires: 1959-03-10
Abstract
No abstract record available.
Inventors
- 👤 Miskelly Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:05
CPC Classifications
B; B61; B61L; B61L29/00; B61L29/08; B61L29/18; B61L29/22; B61L29/226; E; E01; E01F; E01F13/00; E01F13/04; E01F13/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
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) | 1945-09-07 | 1946-03-09 | 1946-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-07 | 1950-03-09 | 1950-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-07 | 1954-03-09 | 1954-09-08 | $7700.00 | Window Closed / Lapsed |