Patent US2528614A successfully refreshed from Google Patents.
Patent US2699515A successfully refreshed from Google Patents.
US2699515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp construction
Assignee: Individual
•
Filing: 1953-08-21
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Granted: 1955-01-11
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Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:36
CPC Classifications
F; F21; F21V; F21V5/00; F21V5/04; F21S; F21S41/00; F21S41/40; F21S41/43; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21V11/00; F21V11/08; F21V11/14; H; H01; H01K; H01K1/00; H01K1/26; F21W; F21W2111/00; F21W2111/06
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) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |