US1853843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for and method of feeding molten glass
Assignee: Hartford Empire Co
•
Filing: 1929-10-12
•
Granted: 1932-04-12
•
Expires: 1949-10-12
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Bates
- 👤 Frank E Haskell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:10
CPC Classifications
C; C03; C03B; C03B7/00; C03B7/08; C03B7/094; C03B7/096; C03B7/098; Y; Y10; Y10S; Y10S65/00; Y10S65/04
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) | 1935-04-12 | 1935-10-12 | 1936-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-12 | 1939-10-12 | 1940-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-12 | 1943-10-12 | 1944-04-12 | $7700.00 | Window Closed / Lapsed |