US2888948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static pressure regulator
Assignee: Svenska Flaktfabriken AB
•
Filing: 1954-02-12
•
Granted: 1959-06-02
•
Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 Pellmyr Bengt
- 👤 Wallin Sven Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:07
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0173; F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/75; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788; Y10T137/7793; Y10T137/7805; Y10T137/7831; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US190442A
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US427516A
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US733757A
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US812626A
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US991641A
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US1490654A
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US1390521A
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US1656184A
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US1673041A
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US2242667A
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US2357341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |