US2541883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp support capable of vertical and horizontal adjustment
Assignee: AMPRO CORP
•
Filing: 1946-10-16
•
Granted: 1951-02-13
•
Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:17
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/20; G03B21/2046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1138848A
Cited
US1305406A
Cited
US1282224A
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US1526696A
Cited
US1884603A
Cited
US1863300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |