Patent US4270133A successfully refreshed from Google Patents.
Patent US3206558A successfully refreshed from Google Patents.
Patent US317427A successfully refreshed from Google Patents.
Patent US2215041A successfully refreshed from Google Patents.
US2215041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and reshaping glass articles
Assignee: Corning Glass Works
•
Filing: 1938-12-07
•
Granted: 1940-09-17
•
Expires: 1958-12-07
Abstract
No abstract record available.
Inventors
- 👤 John C Hostetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:01
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/049
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) | 1943-09-17 | 1944-03-18 | 1944-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-17 | 1948-03-18 | 1948-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-17 | 1952-03-18 | 1952-09-17 | $7700.00 | Window Closed / Lapsed |