US2595253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning and signaling light having oscillatable lamp units
Assignee: Pyle National Co
•
Filing: 1950-01-13
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Granted: 1952-05-06
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Expires: 1970-01-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Heehler
- 👤 Thomas E Mcdowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:43
CPC Classifications
B; B61; B61L; B61L5/00; B61L5/12; B61L5/18; F; F21; F21V; F21V21/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18232; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |