US2622137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonglare illuminated panel
Assignee: Siemens Mobility Ltd
•
Filing: 1949-04-19
•
Granted: 1952-12-16
•
Expires: 1969-04-19
Abstract
No abstract record available.
Inventors
- 👤 Peter Leslie Hurst
- 👤 Sheppard Edward Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:25
CPC Classifications
H; H02; H02B; H02B15/00; B; B61; B61L; B61L25/00; B61L25/06; B61L25/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1168751A
Cited
US1681349A
Cited
US1737520A
Cited
US1953555A
Cited
US2003735A
Cited
US2159095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |