US2670535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler and tail pipe tool
Assignee: Individual
•
Filing: 1950-05-26
•
Granted: 1954-03-02
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 John F Ogden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:15
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US376166A
Cited
US483588A
Cited
US730781A
Cited
US706107A
Cited
US853367A
Cited
US1418125A
Cited
GB283366A
Cited
US2250434A
Cited
US2542582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |