US2427142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Still head condenser
Assignee: Corning Glass Works
•
Filing: 1943-03-02
•
Granted: 1947-09-09
•
Expires: 1963-03-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Hornbacher
- 👤 Lewis E Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:12
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/14; G01N25/145; Y; Y10; Y10S; Y10S203/00; Y10S203/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US66243A
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US1408242A
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US667522A
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AT22826B
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US881176A
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US1673373A
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DE490822C
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DE507360C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |