US2591304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the production of rods and tubes from glass, plastic or like substance
Assignee: Individual
•
Filing: 1949-04-19
•
Granted: 1952-04-01
•
Expires: 1969-04-19
Abstract
No abstract record available.
Inventors
- 👤 Schuller Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
C; C03; C03B; C03B15/00; C03B15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1218598A
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US1554267A
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US1571216A
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FR660433A
Cited
US2009793A
Cited
US2085245A
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US1876031A
Cited
US2009326A
Cited
FR612120A
Cited
US2438448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |