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US2631378A
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Assignee: Individual
•
Filing: 1947-08-12
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Granted: 1953-03-17
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Expires: 1967-08-12
Abstract
No abstract record available.
Inventors
- 👤 Wynne Robert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:10
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; G01B5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1048073A
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US1423542A
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US1420951A
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DE376052C
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US1644535A
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US2047607A
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US2232340A
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CH218397A
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US2312222A
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CH230931A
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CH227618A
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US2348643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |