US2412243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting and driving mechanism for rotary members
Assignee: Samuel M Langston Co
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Filing: 1943-10-19
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Granted: 1946-12-10
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Expires: 1963-10-19
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Behrens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/08; B21D43/09; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956
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) | 1949-12-09 | 1950-06-10 | 1950-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-09 | 1954-06-10 | 1954-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-09 | 1958-06-10 | 1958-12-10 | $7700.00 | Window Closed / Lapsed |