Patent US891341A successfully refreshed from Google Patents.
Patent US2494528A successfully refreshed from Google Patents.
US2494528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
File cabinet
Assignee: CRAIG MACHINE Inc
•
Filing: 1946-06-01
•
Granted: 1950-01-10
•
Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 John A Winskowicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:00
CPC Classifications
A; A47; A47B; A47B63/00; A47B88/00; A47B88/40; A47B88/483; A47B88/487; B; B42; B42F; B42F17/00; B42F17/02; B42F17/06; B42F17/08; B42F17/12; A47B2210/00; A47B2210/0002; A47B2210/0029; A47B2210/0037; A47B2210/0043; A47B2210/0051; A47B2210/0059
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US245486A
Cited
US1429697A
Cited
US1764612A
Cited
US1993477A
Cited
US2109689A
Cited
US2233938A
Cited
US2326029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |