US3008239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant pressure calipers
Assignee: Individual
•
Filing: 1960-05-16
•
Granted: 1961-11-14
•
Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Karl O Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:31
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/0048; A61B5/0053; A61B5/48; A61B5/4869; A61B5/4872; G; G01; G01B; G01B3/00; G01B3/002; G01B3/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317708A
Cited
US1801270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |