US2473890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Igniter and lamp plug
Assignee: Cuno Engineered Products Inc
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Filing: 1948-02-20
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Granted: 1949-06-21
•
Expires: 1968-02-20
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Kroll
- 👤 Arthur W Schnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:50
CPC Classifications
F; F23; F23Q; F23Q7/00; B; B60; B60N; B60N3/00; B60N3/14; B60Q; B60Q3/00; B60Q3/20; B60Q3/275
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) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |