US2569772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Germicidal lamp mounting and reflector
Assignee: Mitchell Manufacturing Co
•
Filing: 1947-01-13
•
Granted: 1951-10-02
•
Expires: 1967-01-13
Abstract
No abstract record available.
Inventors
- 👤 Robert E Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:49
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/06; A61L; A61L9/00; A61L9/16; A61L9/18; A61L9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900436A
Cited
US1972928A
Cited
GB494724A
Cited
GB496390A
Cited
US2270680A
Cited
US2316546A
Cited
US2350664A
Cited
US2381451A
Cited
US2423884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |