Patent US293632A successfully refreshed from Google Patents.
Patent US2583006A successfully refreshed from Google Patents.
US2583006A
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US
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Fluid pressure regulator
Assignee: Rockwell Manufacturing Co
•
Filing: 1943-05-25
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Granted: 1952-01-22
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Expires: 1963-05-25
Abstract
No abstract record available.
Inventors
- 👤 Niesemann Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:10
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/2012; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7768; Y10T137/7769; Y10T137/777
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |