US1613322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler
Assignee: Individual
•
Filing: 1921-03-21
•
Granted: 1927-01-04
•
Expires: 1941-03-21
Abstract
No abstract record available.
Inventors
- 👤 Julius F Goetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:34
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; F01N1/084; F01N1/16; F01N1/166; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/033; F16K15/18; F16K15/182; F16K15/1821; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/7898
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-01-03 | 1930-07-05 | 1931-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-03 | 1934-07-05 | 1935-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-03 | 1938-07-05 | 1939-01-04 | $7700.00 | Window Closed / Lapsed |