US2432497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutoff mechanism
Assignee: Samuel M Langston Co
•
Filing: 1945-10-04
•
Granted: 1947-12-16
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Expires: 1965-10-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Behrens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:49
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0041; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4691; Y10T83/4766; Y10T83/4775; Y10T83/869; Y10T83/8789; Y10T83/8792
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) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |