US2438651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Schlegel Manufacturing Co
•
Filing: 1944-10-09
•
Granted: 1948-03-30
•
Expires: 1964-10-09
Abstract
No abstract record available.
Inventors
- 👤 Charles P Schlegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:11
CPC Classifications
B; B65; B65D; B65D63/00; B65D63/10; B65D63/14; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1402; Y10T24/1404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US301558A
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US357877A
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GB190018199A
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US895403A
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US918340A
Cited
US1072556A
Cited
GB124976A
Cited
US1485996A
Cited
US1720296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |