US811853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator, steam-condenser, and the like.
Assignee: Individual
•
Filing: 1905-04-26
•
Granted: 1906-02-06
•
Expires: 1925-04-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick Lamplough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:11
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/126; F28F1/128; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/50; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7905
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) | 1909-02-05 | 1909-08-07 | 1910-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-02-05 | 1913-08-07 | 1914-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-02-05 | 1917-08-07 | 1918-02-06 | $7700.00 | Window Closed / Lapsed |