Patent US2739285A successfully refreshed from Google Patents.
US2739285A
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US
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Current measuring device
Assignee: Individual
•
Filing: 1955-01-27
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Granted: 1956-03-20
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Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Windsor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:47
CPC Classifications
H; H03; H03M; H03M1/00; G; G01; G01R; G01R15/00; G01R15/14; G01R15/18; G01R15/183; G01R15/185; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |