Patent US2563894A successfully refreshed from Google Patents.
US2563894A
Expired / Lapsed
US
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Mechanically operated gate
Assignee: A KREMSER
•
Filing: 1945-12-05
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Granted: 1951-08-14
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Expires: 1965-12-05
Abstract
No abstract record available.
Inventors
- 👤 Ellis E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US21645A
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US218801A
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US1194897A
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US798846A
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US1517316A
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US1910220A
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US2293462A
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US2345822A
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US2371036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |