Patent US3517552A successfully refreshed from Google Patents.
US3517552A
Expired / Lapsed
US
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Apparatus for testing carburetors
Assignee: SCANS ASSOCIATES Inc
•
Filing: 1967-09-14
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Granted: 1970-06-30
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Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Vernon G Converse
- 👤 Robert W Clayton
- 👤 James T Westervelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:42
CPC Classifications
F; F02; F02M; F02M19/00; F02M19/01; G; G01; G01M; G01M13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2140562A
Cited
US2393708A
Cited
US2394284A
Cited
US2526635A
Cited
US2597231A
Cited
US2755663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |