US2931316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive servicing device
Assignee: Individual
•
Filing: 1956-07-30
•
Granted: 1960-04-05
•
Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Charles C Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:24
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/002; B60; B60S; B60S5/00; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1335969A
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US1445394A
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US1722818A
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US1876307A
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GB453902A
Cited
US2643010A
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US2511316A
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US2566863A
Cited
US2533981A
Cited
GB689896A
Cited
US2581137A
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DE913354C
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |