Patent US2495369A successfully refreshed from Google Patents.
US2495369A
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Power chamber
Assignee: EDWARD U DEMMER
•
Filing: 1944-02-23
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Granted: 1950-01-24
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Expires: 1964-02-23
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:49
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/08; B60T17/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881402A
Cited
FR448394A
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US1684850A
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US1814535A
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US2045861A
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US2134072A
Cited
US2208282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |