US2789653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler attachment for air driven tools of the impact type
Assignee: Individual
•
Filing: 1954-05-17
•
Granted: 1957-04-23
•
Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Fannen John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:38
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/11; B25D17/12; Y; Y10; Y10S; Y10S173/00; Y10S173/02; Y10S279/00; Y10S279/906; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T279/17085
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) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |