Patent US3393920A successfully refreshed from Google Patents.
US3393920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated vehicle body construction
Assignee: MONON Corp A CORP OF ILLINOIS
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Filing: 1966-02-21
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Granted: 1968-07-23
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Donald J Ehrlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:58
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/04; B62D33/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1558323A
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US1522708A
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US2268517A
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US2335220A
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US2585976A
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US2747703A
Cited
US2943367A
Cited
US3034824A
Cited
US3174590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |