Patent US322496A successfully refreshed from Google Patents.
US322496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple incandescent electric lamp
Assignee: —
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Filing: —
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Granted: 1885-07-21
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Expires: 1902-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/088; F21V; F21V19/00; F21V19/04; F21V23/00; F21V23/04; F21W; F21W2131/00; F21W2131/10; F21Y; F21Y2113/00
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) | 1888-07-20 | 1889-01-19 | 1889-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-07-20 | 1893-01-19 | 1893-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-07-20 | 1897-01-19 | 1897-07-21 | $7700.00 | Window Closed / Lapsed |