US2322402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking mechanism
Assignee: Wellman Co
•
Filing: 1942-08-05
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Granted: 1943-06-22
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Expires: 1962-08-05
Abstract
No abstract record available.
Inventors
- 👤 Charles J Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:40
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/24; F16B2200/00; F16B2200/20; F16B2200/205
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) | 1946-06-21 | 1946-12-21 | 1947-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-21 | 1950-12-21 | 1951-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-21 | 1954-12-21 | 1955-06-22 | $7700.00 | Window Closed / Lapsed |