Patent US3936718A successfully refreshed from Google Patents.
Patent US1660131A successfully refreshed from Google Patents.
US1660131A
Expired / Lapsed
US
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Reversible lighting attachment for bicycles and other vehicles
Assignee: Individual
•
Filing: 1927-10-18
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Granted: 1928-02-21
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Expires: 1947-10-18
Abstract
No abstract record available.
Inventors
- 👤 Lenfers Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:21
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/06; B60Q1/068; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/2078; Y10T74/20822
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) | 1931-02-20 | 1931-08-22 | 1932-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-02-20 | 1935-08-22 | 1936-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-02-20 | 1939-08-22 | 1940-02-21 | $7700.00 | Window Closed / Lapsed |