Patent US992273A successfully refreshed from Google Patents.
US992273A
Expired / Lapsed
US
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Device for adjusting suspended electric lamps.
Assignee: Individual
•
Filing: 1911-01-03
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Granted: 1911-05-16
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Expires: 1931-01-03
Abstract
No abstract record available.
Inventors
- 👤 Samuel Singer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:40
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/16; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3916; Y10T24/3927; Y10T24/3969; Y10T24/3984
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1914-05-15 | 1914-11-14 | 1915-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-05-15 | 1918-11-14 | 1919-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-05-15 | 1922-11-14 | 1923-05-16 | $7700.00 | Window Closed / Lapsed |