Patent US2806942A successfully refreshed from Google Patents.
US2806942A
Expired / Lapsed
US
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Shock resistant lamp
Assignee: Individual
•
Filing: 1955-09-14
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Granted: 1957-09-17
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Expires: 1975-09-14
Abstract
No abstract record available.
Inventors
- 👤 Oharenko Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:35
CPC Classifications
F; F21; F21V; F21V15/00; F21V15/02; F21L; F21L14/00; F21V21/00; F21V21/08; F21V21/088; F21V25/00; F21V29/00; F21V29/50; F21V29/70; F21V7/00; F21V7/04; F21V7/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1435763A
Cited
US1692892A
Cited
US1711993A
Cited
GB409091A
Cited
US2167184A
Cited
US2265830A
Cited
US2526729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |