US2940016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular electrical chassis
Assignee: Um & F Manufacturing Corp
•
Filing: 1955-09-15
•
Granted: 1960-06-07
•
Expires: 1975-09-15
Abstract
No abstract record available.
Inventors
- 👤 Flint Rinard Wells
- 👤 Richard R Tice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/02; H05K7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1400007A
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DE571411C
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GB344668A
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US2309323A
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US2424966A
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US2343284A
Cited
US2568535A
Cited
GB592686A
Cited
GB649254A
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US2579141A
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GB691308A
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US2814024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |