Patent EP0127081A2 successfully refreshed from Google Patents.
US2644076A
Expired / Lapsed
US
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Retaining mechanism for sealed beam lamp type locomotive headlight assemblies
Assignee: Pyle National Co
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Filing: 1950-05-19
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Granted: 1953-06-30
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Expires: 1970-05-19
Abstract
No abstract record available.
Inventors
- 👤 Frank X Keegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:20
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/0483; F; F21; F21S; F21S41/00; F21S41/20; F21S41/29; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0886; Y10T292/0887; Y10T292/0891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318062A
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US994427A
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US1793227A
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US2148314A
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US2309279A
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US2344327A
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US2420411A
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US2494652A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |