Patent US2595021A successfully refreshed from Google Patents.
US2595021A
Expired / Lapsed
US
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Measuring device
Assignee: Individual
•
Filing: 1946-07-31
•
Granted: 1952-04-29
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Expires: 1966-07-31
Abstract
No abstract record available.
Inventors
- 👤 Secerel S Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:08
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US275734A
Cited
US370212A
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US437065A
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US766942A
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US882191A
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US1263493A
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US1835804A
Cited
GB384791A
Cited
US2129979A
Cited
US2123360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |