Patent US1487380A successfully refreshed from Google Patents.
US1487380A
Expired / Lapsed
US
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Control-lever silencer
Assignee: Individual
•
Filing: 1921-03-24
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Granted: 1924-03-18
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Expires: 1941-03-24
Abstract
No abstract record available.
Inventors
- 👤 Vernon J Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:02
CPC Classifications
B; B60; B60R; B60R17/00; B60R17/02; F; F16; F16H; F16H59/00; F16H59/02; F16H59/04; F16H2704/00; F16H2704/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20134; Y10T74/2014; Y10T74/20159; Y10T74/20165; Y10T74/20171
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) | 1927-03-18 | 1927-09-17 | 1928-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-03-18 | 1931-09-17 | 1932-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-03-18 | 1935-09-17 | 1936-03-18 | $7700.00 | Window Closed / Lapsed |