Patent US3455622A successfully refreshed from Google Patents.
US3455622A
Expired / Lapsed
US
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Lighting device for transmitting visible radiant energies to inaccessible places
Assignee: MACKOWIAK JAN W AND MACKOIAK FREIDA
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Filing: 1964-06-29
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Granted: 1969-07-15
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 George D Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:08
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4298; A; A61; A61B; A61B1/00; A61B1/06; A61B1/0661; A61B1/0669; A61B1/07; F; F21; F21V; F21V7/00; F21V7/22; F21V7/24; F21V7/28; F21V9/00; F21V9/02; F21V9/04; F21V9/08; F21V9/20; G02B6/0001; G02B6/0005; G02B6/0006; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3327712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |