US2940301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing device for vehicle radiator caps and cooling systems
Assignee: PRES SURE TITE PRODUCTS Inc
•
Filing: 1953-09-10
•
Granted: 1960-06-14
•
Expires: 1973-09-10
Abstract
No abstract record available.
Inventors
- 👤 Wilbur B Hughes
- 👤 Milton J Enell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:23
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/32; G01M3/3227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337132A
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US1335073A
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US1764616A
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US1848198A
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US2178901A
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US2225964A
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US2446219A
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US2618152A
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US2668437A
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |