US2066376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annealing leer
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1933-05-29
•
Granted: 1937-01-05
•
Expires: 1953-05-29
Abstract
No abstract record available.
Inventors
- 👤 Emmett L Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:46
CPC Classifications
C; C03; C03B; C03B25/00; C03B25/04; C03B25/06; Y; Y10; Y10S; Y10S165/00; Y10S165/132; Y10S165/904
Claims Analysis
Total Claims: 0
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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) | 1940-01-05 | 1940-07-06 | 1941-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-05 | 1944-07-06 | 1945-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-05 | 1948-07-06 | 1949-01-05 | $7700.00 | Window Closed / Lapsed |