US2787119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler for internal combustion engine
Assignee: Individual
•
Filing: 1955-04-28
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Granted: 1957-04-02
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Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Giambruno Henry Clay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:33
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/033; F01N3/0335; F01N3/005; F01N3/04; F01N2230/00; F01N2230/02; F01N2240/00; F01N2240/20; F01N2370/00; F01N2370/22; F01N2450/00; F01N2450/04; F01N2470/00; F01N2470/02; F01N2470/04; F01N2470/10; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
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) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |