US999860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable electric lamp.
Assignee: VESTA ACCUMULATOR CO
•
Filing: 1909-11-15
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Granted: 1911-08-08
•
Expires: 1929-11-15
Abstract
No abstract record available.
Inventors
- 👤 Ward S Perry
- 👤 Julius O Eis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:59
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/02; F21V17/00; F21V17/10; F21V17/16; F21V17/168; F21V23/00; F21V23/06
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) | 1914-08-07 | 1915-02-06 | 1915-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-08-07 | 1919-02-06 | 1919-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-08-07 | 1923-02-06 | 1923-08-08 | $7700.00 | Window Closed / Lapsed |