US559379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-pump governor
Assignee: —
•
Filing: —
•
Granted: 1896-05-05
•
Expires: 1913-05-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:16
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F04; F04D; F04D25/00; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/212
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) | 1899-05-05 | 1899-11-04 | 1900-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-05-06 | 1903-11-05 | 1904-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-05-06 | 1907-11-05 | 1908-05-06 | $7700.00 | Window Closed / Lapsed |