US1421810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for molten-glass outlets
Assignee: HARTFORD FAIRMONT CO
•
Filing: 1921-07-26
•
Granted: 1922-07-04
•
Expires: 1941-07-26
Abstract
No abstract record available.
Inventors
- 👤 Mulholland Vergil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:51
CPC Classifications
C; C03; C03B; C03B7/00; C03B7/08; C03B7/088; Y; Y10; Y10T; Y10T137/00; Y10T137/9247
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) | 1925-07-03 | 1926-01-02 | 1926-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-07-03 | 1930-01-02 | 1930-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-07-03 | 1934-01-02 | 1934-07-04 | $7700.00 | Window Closed / Lapsed |