Patent US2594779A successfully refreshed from Google Patents.
US2594779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning and lubricating
Assignee: Individual
•
Filing: 1945-12-20
•
Granted: 1952-04-29
•
Expires: 1965-12-20
Abstract
No abstract record available.
Inventors
- 👤 Charles A Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:19
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1305735A
Cited
US1198045A
Cited
US1655939A
Cited
US1934826A
Cited
US1960235A
Cited
US1886098A
Cited
US1936315A
Cited
US2203029A
Cited
US2218880A
Cited
US2240227A
Cited
US2301601A
Cited
USRE22936E
Cited
US2302299A
Cited
US2385393A
Cited
US2366073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |