US2433399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making hollow sealed glass bodies
Assignee: NORTHWESTERN GLASS Co
•
Filing: 1943-03-15
•
Granted: 1947-12-30
•
Expires: 1963-03-15
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Roessler
- 👤 Ray A Chilcote
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/24; C03B23/006; C03B9/00; C03B9/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1561808A
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US1804084A
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US1937289A
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US2076502A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |