Patent US2730193A successfully refreshed from Google Patents.
US2730193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark arrester snubber
Assignee: Burgess-Manning Co
•
Filing: 1954-02-23
•
Granted: 1956-01-10
•
Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hoyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:51
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US756537A
Cited
US1715549A
Cited
US1739014A
Cited
GB374382A
Cited
US2299332A
Cited
US2329101A
Cited
US2480379A
Cited
US2511713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |