US2656166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charge forming device
Assignee: Tillotson Manufacturing Co
•
Filing: 1949-07-12
•
Granted: 1953-10-20
•
Expires: 1969-07-12
Abstract
No abstract record available.
Inventors
- 👤 Edward H Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:00
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/44; F02M17/48; F02M3/00; F02M3/08; F02M5/00; F02M5/12; Y; Y10; Y10S; Y10S261/00; Y10S261/68
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1453490A
Cited
US1523095A
Cited
US1758954A
Cited
US1741401A
Cited
US1840279A
Cited
US1823017A
Cited
US1849720A
Cited
US2270369A
Cited
US2419956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |