Patent US2392129A successfully refreshed from Google Patents.
US2392129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated glass closure unit
Assignee: PPG Industries Inc
•
Filing: 1943-04-23
•
Granted: 1946-01-01
•
Expires: 1963-04-23
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Downes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:04
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10165; B32B17/10293; B32B17/10009; B32B17/10036; B64; B64C; B64C1/00; B64C1/14; B64C1/1476; B64C1/1492; E; E04; E04C; E04C2/00; E04C2/54
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) | 1948-12-31 | 1949-07-02 | 1950-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-31 | 1953-07-02 | 1954-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-31 | 1957-07-02 | 1958-01-01 | $7700.00 | Window Closed / Lapsed |