US3140055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp shield
Assignee: Individual
•
Filing: 1959-05-19
•
Granted: 1964-07-07
•
Expires: 1979-05-19
Abstract
No abstract record available.
Inventors
- 👤 John C Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:20
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/85; F21V17/00; F21V17/04; F21V29/50; F21V29/70; F21V29/74; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US480201A
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US2078370A
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US2277433A
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US2308986A
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US2551710A
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US2595275A
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US2583939A
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US2566076A
Cited
US2946272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |