US2490549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite stock
Assignee: Motors Liquidation Co
•
Filing: 1945-07-07
•
Granted: 1949-12-06
•
Expires: 1965-07-07
Abstract
No abstract record available.
Inventors
- 👤 Harold W Schultz
- 👤 John M Robertson
- 👤 Rasmussen Olaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:42
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/02; B22F7/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153; Y10T428/1216
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1302563A
Cited
US1346062A
Cited
US1729747A
Cited
US2170361A
Cited
US2171040A
Cited
US2303869A
Cited
US2267342A
Cited
US2251410A
Cited
US2289658A
Cited
US2332737A
Cited
US2359361A
Cited
US2366168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |