US1045019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic balancing device for rotors of pumps, turbines, blowers, and the like.
Assignee: THOMAS P KINGSFORD
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Filing: 1912-03-01
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Granted: 1912-11-19
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Expires: 1932-03-01
Abstract
No abstract record available.
Inventors
- 👤 Arno Griessmann
- 👤 Otto Gottschling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:07
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/121
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) | 1915-11-19 | 1916-05-20 | 1916-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-11-19 | 1920-05-20 | 1920-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-11-19 | 1924-05-20 | 1924-11-19 | $7700.00 | Window Closed / Lapsed |