US1647847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine part
Assignee: Individual
•
Filing: 1926-08-25
•
Granted: 1927-11-01
•
Expires: 1946-08-25
Abstract
No abstract record available.
Inventors
- 👤 Wills Child Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:52
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/22; C23; C23C; C23C8/00; F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/62; Y; Y10; Y10S; Y10S417/00; Y10S417/01
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) | 1930-10-31 | 1931-05-02 | 1931-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-31 | 1935-05-02 | 1935-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-31 | 1939-05-02 | 1939-11-01 | $7700.00 | Window Closed / Lapsed |