Patent US822372A successfully refreshed from Google Patents.
US822372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube for radiating, cooling, and condensing apparatus.
Assignee: Individual
•
Filing: 1904-02-12
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Granted: 1906-06-05
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Expires: 1924-02-12
Abstract
No abstract record available.
Inventors
- 👤 John George Aulsebrook Kitchen
- 👤 Ludlow Patton Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:12
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/34; F28F1/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49382
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) | 1909-06-04 | 1909-12-04 | 1910-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-06-04 | 1913-12-04 | 1914-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-06-04 | 1917-12-04 | 1918-06-05 | $7700.00 | Window Closed / Lapsed |