Patent US2344153A successfully refreshed from Google Patents.
US2344153A
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Method and means for illuminating objects
Assignee: ROBERT L GUNN
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Filing: 1942-01-31
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Granted: 1944-03-14
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Expires: 1962-01-31
Abstract
No abstract record available.
Inventors
- 👤 Leonard Harry Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:30
CPC Classifications
F; F21; F21S; F21S2/00; F21S8/00; F21S8/003; F21V; F21V21/00; F21V21/14; F21V21/15; F21V21/30; F21V14/00; F21V14/06; F21W; F21W2111/00; F21W2111/06; F21W2131/00; F21W2131/10; F21W2131/105; F21W2131/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-03-14 | 1947-09-13 | 1948-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-14 | 1951-09-13 | 1952-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-14 | 1955-09-13 | 1956-03-14 | $7700.00 | Window Closed / Lapsed |