Patent US2694358A successfully refreshed from Google Patents.
US2694358A
Expired / Lapsed
US
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Exhaust pipe cover
Assignee: ANTHES FORCE OILER CO
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Filing: 1950-08-01
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Granted: 1954-11-16
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Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Taylor Charles Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:53
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N13/085; F01N2590/00; F01N2590/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7902; Y10T137/7903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |