US3118749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark arrester
Assignee: Individual
•
Filing: 1960-12-07
•
Granted: 1964-01-21
•
Expires: 1980-12-07
Abstract
No abstract record available.
Inventors
- 👤 Rocco J Acacia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:13
CPC Classifications
F; F23; F23J; F23J15/00; F23J15/02; F23J15/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US44182A
Cited
US1426196A
Cited
US2505123A
Cited
US2718278A
Cited
US2710667A
Cited
US2966959A
Cited
US2933153A
Cited
US2976796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |