US2549731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible test prod
Assignee: Individual
•
Filing: 1944-12-18
•
Granted: 1951-04-17
•
Expires: 1964-12-18
Abstract
No abstract record available.
Inventors
- 👤 Vincent E Wattley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:05
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02; G01R1/06; G01R1/067; G01R1/06788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1008018A
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US1071978A
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US1390481A
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US1515860A
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GB222490A
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US1650779A
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US1911470A
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US1869181A
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US1999663A
Cited
AT140147B
Cited
US2074324A
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US2222110A
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US2276736A
Cited
GB553869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |