US2801388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensometer with adjustable temperature compensation
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1953-09-15
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Granted: 1957-07-30
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Expires: 1973-09-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Ruge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01B; G01B7/00; G01B7/16; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/16; G01L1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2173233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |