US2677755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterproof electric lamp shield
Assignee: General Electric Co
•
Filing: 1952-06-05
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Granted: 1954-05-04
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Expires: 1972-06-05
Abstract
No abstract record available.
Inventors
- 👤 Fred W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:43
CPC Classifications
D; D06; D06F; D06F39/00; F; F21; F21V; F21V11/00; F21V11/08; F21V11/12; F21V15/00; F21V15/01; F21V17/00; F21V17/04; F21V29/00; F21V29/50; F21V29/70; F21V29/83; F21V29/85; F21V31/00; F21V31/005; F21Y; F21Y2103/00
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) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |