US2850622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable lamp
Assignee: American Hospital Supply Corp
•
Filing: 1954-05-05
•
Granted: 1958-09-02
•
Expires: 1974-05-05
Abstract
No abstract record available.
Inventors
- 👤 Axel E F Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:57
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/005; F21S6/006; F21V; F21V17/00; F21V17/02; F21V21/00; F21V21/10; F21V21/116; F21V21/14; F21V21/26; F21V21/30; F21V23/00; F21V23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1012383A
Cited
FR488045A
Cited
US1397453A
Cited
FR618163A
Cited
US1834428A
Cited
FR941448A
Cited
US2491448A
Cited
US2745949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |