Patent US1309745A successfully refreshed from Google Patents.
Patent US825866A successfully refreshed from Google Patents.
US825866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem brake-cylinder.
Assignee: Individual
•
Filing: 1905-06-29
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Granted: 1906-07-10
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Expires: 1925-06-29
Abstract
No abstract record available.
Inventors
- 👤 Lebbeus H Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/028; F15B11/036; F15B11/0365; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525
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) | 1909-07-09 | 1910-01-08 | 1910-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-09 | 1914-01-08 | 1914-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-09 | 1918-01-08 | 1918-07-10 | $7700.00 | Window Closed / Lapsed |