US2700726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick bulb-change electric lamp
Assignee: HUDSON LAMP CO
•
Filing: 1952-11-15
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Granted: 1955-01-25
•
Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
- 👤 Bassler John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:52
CPC Classifications
F; F21; F21V; F21V15/00; F21V15/04; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2473479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |