Patent US2249416A successfully refreshed from Google Patents.
US2361376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production and utilization of vitreous enamels
Assignee: Pemco Corp
•
Filing: 1941-08-12
•
Granted: 1944-10-31
•
Expires: 1961-08-12
Abstract
No abstract record available.
Inventors
- 👤 Athy Lyman Cyrus
- 👤 Paul C Stufft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:59
CPC Classifications
C; C03; C03C; C03C4/00
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) | 1947-10-31 | 1948-05-01 | 1948-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-31 | 1952-05-01 | 1952-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-31 | 1956-05-01 | 1956-10-31 | $7700.00 | Window Closed / Lapsed |