US1514441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust trap
Assignee: Individual
•
Filing: 1923-10-25
•
Granted: 1924-11-04
•
Expires: 1943-10-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Culp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:17
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N13/085; F01N1/00; F01N1/08; F01N1/084; F01N3/00; F01N3/005; F01N3/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-11-04 | 1928-05-05 | 1928-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-04 | 1932-05-05 | 1932-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-04 | 1936-05-05 | 1936-11-04 | $7700.00 | Window Closed / Lapsed |