US721562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling device for hydraulic cylinders.
Assignee: Individual
•
Filing: 1902-01-28
•
Granted: 1903-02-24
•
Expires: 1922-01-28
Abstract
No abstract record available.
Inventors
- 👤 Sumner Hibbard
- 👤 Warren Hibbard
- 👤 Orville E Hibbard
- 👤 Charles Hibbard
- 👤 Herbert Hibbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:08
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/006; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/30565; F15B2211/30575
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) | 1906-02-23 | 1906-08-25 | 1907-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-02-23 | 1910-08-25 | 1911-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-02-23 | 1914-08-25 | 1915-02-24 | $7700.00 | Window Closed / Lapsed |