Patent US2494100A successfully refreshed from Google Patents.
US2494100A
Expired / Lapsed
US
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Displacement mechanism
Assignee: Individual
•
Filing: 1944-03-27
•
Granted: 1950-01-10
•
Expires: 1964-03-27
Abstract
No abstract record available.
Inventors
- 👤 Mikulasek John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:43
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/02; F01C1/0207; F01C1/0215
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1929998A
Cited
US385832A
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US801182A
Cited
FR427656A
Cited
FR522609A
Cited
GB220296A
Cited
US1679592A
Cited
US1780109A
Cited
GB310763A
Cited
AT129104B
Cited
GB367086A
Cited
GB380344A
Cited
GB444612A
Cited
DE642074C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |