Patent US2537099A successfully refreshed from Google Patents.
US2537099A
Expired / Lapsed
US
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Exhaust rain protector
Assignee: Individual
•
Filing: 1948-10-20
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Granted: 1951-01-09
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Expires: 1968-10-20
Abstract
No abstract record available.
Inventors
- 👤 James L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:33
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N13/085; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7876; 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) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |