US2518663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube calipering and recording mechanism
Assignee: Sunoco Inc
•
Filing: 1945-10-26
•
Granted: 1950-08-15
•
Expires: 1965-10-26
Abstract
No abstract record available.
Inventors
- 👤 Preston E Chaney
- 👤 William E Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:47
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/28
Claims Analysis
Total Claims: 0
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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) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |