US2607840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency stop flasher signal system
Assignee: Individual
•
Filing: 1949-04-12
•
Granted: 1952-08-19
•
Expires: 1969-04-12
Abstract
No abstract record available.
Inventors
- 👤 Jesse R Hollins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:01
CPC Classifications
B; B60; B60R; B60R16/00; B60R16/005; H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717629A
Cited
US2086959A
Cited
US2122508A
Cited
US2090332A
Cited
US2188451A
Cited
US2456498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |