US2788486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical testing apparatus
Assignee: Motors Liquidation Co
•
Filing: 1952-06-14
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Granted: 1957-04-09
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Walter B Guggi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:25
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/34; G01R31/346; G01R31/50; G01R31/52; G01R31/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191300178A
Cited
US1683389A
Cited
US2227029A
Cited
US2437455A
Cited
US2477057A
Cited
US2645753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |