US887252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling system.
Assignee: DUGALD C JACKSON
•
Filing: 1905-09-16
•
Granted: 1908-05-12
•
Expires: 1925-09-16
Abstract
No abstract record available.
Inventors
- 👤 William B Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/06; F04B49/065
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) | 1911-05-12 | 1911-11-11 | 1912-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-05-12 | 1915-11-11 | 1916-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-05-12 | 1919-11-11 | 1920-05-12 | $7700.00 | Window Closed / Lapsed |