Patent US1555386A successfully refreshed from Google Patents.
US1555386A
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Grade-crossing safety apparatus
Assignee: GEORGE W SCHILLINGER
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Filing: 1925-02-02
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Granted: 1925-09-29
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Expires: 1945-02-02
Abstract
No abstract record available.
Inventors
- 👤 Schillinger Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:43
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/12; E01F13/126; B; B61; B61L; B61L29/00; B61L29/02; B61L29/023; B61L29/026
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) | 1928-09-28 | 1929-03-30 | 1929-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-09-28 | 1933-03-30 | 1933-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-09-28 | 1937-03-30 | 1937-09-29 | $7700.00 | Window Closed / Lapsed |