Patent US3108002A successfully refreshed from Google Patents.
Patent US937702A successfully refreshed from Google Patents.
Patent US2228025A successfully refreshed from Google Patents.
Patent US6094082A successfully refreshed from Google Patents.
Patent US2919922A successfully refreshed from Google Patents.
Patent US2455907A successfully refreshed from Google Patents.
US2455907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for melting glass
Assignee: Owens Corning
•
Filing: 1944-04-15
•
Granted: 1948-12-07
•
Expires: 1964-04-15
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:55
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/225; C03B3/00; C03B37/00; C03B37/01; C03B37/06; C03B5/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE20282E
Cited
US1500651A
Cited
US1371084A
Cited
US1769181A
Cited
US1756381A
Cited
DE551272C
Cited
US2006947A
Cited
US1964915A
Cited
US2038251A
Cited
US2131599A
Cited
FR780140A
Cited
US2212448A
Cited
US2165242A
Cited
DE651687C
Cited
US2178059A
Cited
US2331944A
Cited
US2268546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |