US2618823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding machine
Assignee: CUYAHOGA IND
•
Filing: 1949-09-28
•
Granted: 1952-11-25
•
Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 John A Perkon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:37
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/68; Y; Y10; Y10S; Y10S425/00; Y10S425/221; Y10T; Y10T29/00; Y10T29/53; Y10T29/53678
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1961942A
Cited
US2112342A
Cited
US2115590A
Cited
US2145956A
Cited
US2309460A
Cited
US2268949A
Cited
US2298043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |