Patent US2656818A successfully refreshed from Google Patents.
US2656818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring relative
Assignee: —
•
Filing: —
•
Granted: 1953-10-27
•
Expires: 1970-10-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:14
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/22; G01B5/00; G01B5/24; Y; Y10; Y10S; Y10S33/00; Y10S33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |