US3367149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant white light source
Assignee: 3M Co
•
Filing: 1966-12-15
•
Granted: 1968-02-06
•
Expires: 1986-12-15
Abstract
No abstract record available.
Inventors
- 👤 Wendell J Manske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:58
CPC Classifications
F; F23; F23C; F23C99/00; F21; F21V; F21V37/00; F21V37/0004; F21V37/002; F21V37/0029; F23C2700/00; F23C2700/04; F23C2700/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US949010A
Cited
US996182A
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US1256301A
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US1993778A
Cited
US2546115A
Cited
GB753786A
Cited
US3097930A
Cited
US3111396A
Cited
US3090094A
Cited
US3208247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |