Patent US3011526A successfully refreshed from Google Patents.
US400140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lantern or lamp
Assignee: —
•
Filing: —
•
Granted: 1889-03-26
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Expires: 1906-03-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:43
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/02; Y; Y10; Y10S; Y10S362/00; Y10S362/803
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) | 1892-03-25 | 1892-09-24 | 1893-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-03-25 | 1896-09-24 | 1897-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-03-26 | 1900-09-25 | 1901-03-27 | $7700.00 | Window Closed / Lapsed |