US2640904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated safety glass
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1950-08-10
•
Granted: 1953-06-02
•
Expires: 1970-08-10
Abstract
No abstract record available.
Inventors
- 👤 Romey A Gaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:49
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/84; H05B3/86; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10174; H05B2203/00; H05B2203/013
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2366587A
Cited
US1811725A
Cited
US2094183A
Cited
US1980970A
Cited
US1981703A
Cited
US2068082A
Cited
US2429420A
Cited
US2497507A
Cited
FR909962A
Cited
US2583000A
Cited
US2513993A
Cited
US2475379A
Cited
US2564677A
Cited
US2592601A
Cited
US2507036A
Cited
US2552955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |