Patent US1508707A successfully refreshed from Google Patents.
US1508707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for aeroplane superchargers
Assignee: General Electric Co
•
Filing: 1922-04-08
•
Granted: 1924-09-16
•
Expires: 1942-04-08
Abstract
No abstract record available.
Inventors
- 👤 Sanford A Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:13
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S261/00; Y10S261/51
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1927-09-16 | 1928-03-17 | 1928-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-16 | 1932-03-17 | 1932-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-16 | 1936-03-17 | 1936-09-16 | $7700.00 | Window Closed / Lapsed |