US2787100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for surfacing glass
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1952-05-20
•
Granted: 1957-04-02
•
Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Peyches Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/20; B24B7/22; B24B7/24; B24B7/247
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US513618A
Cited
US336582A
Cited
US741001A
Cited
US1075107A
Cited
US1610419A
Cited
US1741145A
Cited
US1962766A
Cited
US1962767A
Cited
US2070944A
Cited
US2193419A
Cited
US2270309A
Cited
US2367668A
Cited
US2437034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |