US2274986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawing sheet glass
Assignee: Flachglas Wernberg GmbH
•
Filing: 1939-06-09
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Granted: 1942-03-03
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Expires: 1959-06-09
Abstract
No abstract record available.
Inventors
- 👤 Kilian Georg
- 👤 Strohschneider Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:31
CPC Classifications
C; C03; C03B; C03B15/00; C03B15/02; C03B15/06; C03B5/00; C03B5/02; C03B5/027; G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/60; G03B21/602; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
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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) | 1945-03-02 | 1945-09-01 | 1946-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-02 | 1949-09-01 | 1950-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-02 | 1953-09-01 | 1954-03-03 | $7700.00 | Window Closed / Lapsed |