US2157067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drawing and severing glass rods or tubing
Assignee: General Electric Co
•
Filing: 1934-06-21
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Granted: 1939-05-02
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Expires: 1954-06-21
Abstract
No abstract record available.
Inventors
- 👤 Carl A Brown
- 👤 Frank B Van Sickle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:13
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/09; C03B33/095; C03B21/00; C03B21/02; C03B33/08; C03B33/085; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/304; Y10T83/00; Y10T83/02; Y10T83/0333
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) | 1942-05-01 | 1942-10-31 | 1943-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-01 | 1946-10-31 | 1947-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-01 | 1950-10-31 | 1951-05-02 | $7700.00 | Window Closed / Lapsed |