Patent US2707488A successfully refreshed from Google Patents.
US2707488A
Expired / Lapsed
US
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Orifice plate
Assignee: Individual
•
Filing: 1949-12-23
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Granted: 1955-05-03
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Expires: 1969-12-23
Abstract
No abstract record available.
Inventors
- 👤 Willebrordus A G Overdijk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:38
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/40; G01F1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US891076A
Cited
US1049450A
Cited
US1097196A
Cited
US1496584A
Cited
US2352368A
Cited
US2354967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |