Patent US2621882A successfully refreshed from Google Patents.
US2621882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable swinging arm unit for reading lamps
Assignee: Individual
•
Filing: 1948-09-22
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Granted: 1952-12-16
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Expires: 1968-09-22
Abstract
No abstract record available.
Inventors
- 👤 Fletcher Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:32
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26; Y; Y10; Y10S; Y10S285/00; Y10S285/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |