US2642522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illumination apparatus for warning and signaling purposes and having headlight and warning light units adjustable in unison
Assignee: Pyle National Co
•
Filing: 1949-03-03
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Granted: 1953-06-16
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Expires: 1969-03-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Mcdowell
- 👤 Arthur C Heehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:59
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2611; F; F21; F21V; F21V19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2138079A
Cited
US2278028A
Cited
US2342202A
Cited
US2353082A
Cited
US2442569A
Cited
US2446333A
Cited
US2439474A
Cited
US2486853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |