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US2564676A
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US
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Assignee: Individual
•
Filing: 1946-07-03
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Granted: 1951-08-21
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Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 Robert L Crouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:40
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/48; G01F23/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US44118A
Cited
US885675A
Cited
US1253324A
Cited
FR574241A
Cited
US1960324A
Cited
US2241983A
Cited
US2216035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |