Patent US2849679A successfully refreshed from Google Patents.
US2849679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltmeter
Assignee: —
•
Filing: —
•
Granted: 1958-08-26
•
Expires: 1975-08-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:44
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1791786A
Cited
US2181960A
Cited
US2178108A
Cited
US2358910A
Cited
US2419612A
Cited
US2603730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |