US2683989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging device
Assignee: Individual
•
Filing: 1948-09-22
•
Granted: 1954-07-20
•
Expires: 1968-09-22
Abstract
No abstract record available.
Inventors
- 👤 Clark James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:39
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2445455A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |