Patent US326711A successfully refreshed from Google Patents.
US326711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-acting solar reflector
Assignee: —
•
Filing: —
•
Granted: 1885-09-22
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Expires: 1902-09-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:37
CPC Classifications
F; F24; F24S; F24S50/00; F24S50/20; F24S30/00; F24S30/40; F24S30/45; F24S30/452; F24S23/00; F24S23/70; F24S23/77; F24S2030/10; F24S2030/13; F24S2030/137; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/47
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) | 1888-09-21 | 1889-03-23 | 1889-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-09-21 | 1893-03-23 | 1893-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-09-21 | 1897-03-23 | 1897-09-22 | $7700.00 | Window Closed / Lapsed |