US2588048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure converter system and apparatus therefor
Assignee: New Britain Machine Co
•
Filing: 1945-11-28
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Granted: 1952-03-04
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Expires: 1965-11-28
Abstract
No abstract record available.
Inventors
- 👤 Edward A Rockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:35
CPC Classifications
F; F15; F15B; F15B17/00; B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/141; B60T13/142; B60T13/147; B60T13/148; B60T13/16; B60T13/58; F15B21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1333660A
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US1903973A
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US2029096A
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US2000187A
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US1983884A
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US2009515A
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FR777932A
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FR835760A
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US2239481A
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US2260490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |