Patent US2625838A successfully refreshed from Google Patents.
US2625838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite linkage
Assignee: Individual
•
Filing: 1951-04-07
•
Granted: 1953-01-20
•
Expires: 1971-04-07
Abstract
No abstract record available.
Inventors
- 👤 James E Dillard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:53
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20006; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |