US2553613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring and recording lengths
Assignee: Standard Oil Development Co
•
Filing: 1948-04-09
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Granted: 1951-05-22
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Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 Martin E True
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:16
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/10; G01B3/1084; G01B3/1061; G01B3/1069; G01B3/1094
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |