US2152297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal stock for paneling and other purposes
Assignee: LUMASYNE Inc
•
Filing: 1937-01-07
•
Granted: 1939-03-28
•
Expires: 1957-01-07
Abstract
No abstract record available.
Inventors
- 👤 George R Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:07
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/32; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1241; Y10T428/12417; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12903; Y10T428/1291
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-03-27 | 1942-09-26 | 1943-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-27 | 1946-09-26 | 1947-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-27 | 1950-09-26 | 1951-03-28 | $7700.00 | Window Closed / Lapsed |