US1319928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for balancing rotors.
Assignee: Individual
•
Filing: 1919-06-02
•
Granted: 1919-10-28
•
Expires: 1939-06-02
Abstract
No abstract record available.
Inventors
- 👤 Absalom M Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:02
CPC Classifications
C; C25; C25F; C25F7/00; F; F16; F16C; F16C1/00; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2147
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) | 1922-10-27 | 1923-04-28 | 1923-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-10-27 | 1927-04-28 | 1927-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-10-27 | 1931-04-28 | 1931-10-28 | $7700.00 | Window Closed / Lapsed |