US2640298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glassware blowhead arrangement
Assignee: HENRY C DAUBENSPECK
•
Filing: 1950-08-02
•
Granted: 1953-06-02
•
Expires: 1970-08-02
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Winder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:14
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1818725A
Cited
US1843159A
Cited
US1869920A
Cited
US1695894A
Cited
US1854471A
Cited
US1832080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |